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3222145460 = 225161107273
BaseRepresentation
bin1100000000001110…
…0000100110110100
322022120000221121202
43000003200212310
523044332123320
61251421432032
7142563533042
oct30003404664
98276027552
103222145460
1114038a9636
1275b10b618
133c4723661
14227d11392
1513cd24b75
hexc00e09b4

3222145460 has 12 divisors (see below), whose sum is σ = 6766505508. Its totient is φ = 1288858176.

The previous prime is 3222145453. The next prime is 3222145469. The reversal of 3222145460 is 645412223.

It can be written as a sum of positive squares in 2 ways, for example, as 1749581584 + 1472563876 = 41828^2 + 38374^2 .

It is a super-2 number, since 2×32221454602 = 20764442730797223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222145469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80553617 + ... + 80553656.

It is an arithmetic number, because the mean of its divisors is an integer number (563875459).

Almost surely, 23222145460 is an apocalyptic number.

It is an amenable number.

3222145460 is an abundant number, since it is smaller than the sum of its proper divisors (3544360048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3222145460 is a wasteful number, since it uses less digits than its factorization.

3222145460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161107282 (or 161107280 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3222145460 is about 56763.9450707930. The cubic root of 3222145460 is about 1477.0041449405.

Adding to 3222145460 its reverse (645412223), we get a palindrome (3867557683).

The spelling of 3222145460 in words is "three billion, two hundred twenty-two million, one hundred forty-five thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 161107273 322214546 644429092 805536365 1611072730 3222145460