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1422212311 = 13109400947
BaseRepresentation
bin101010011000101…
…0011110011010111
310200010010212112001
41110301103303113
510403041243221
6353042540131
750146414402
oct12461236327
93603125461
101422212311
1166a890183
12338367647
13198857b60
14d6c54d39
1584cd1391
hex54c53cd7

1422212311 has 4 divisors (see below), whose sum is σ = 1531613272. Its totient is φ = 1312811352.

The previous prime is 1422212303. The next prime is 1422212329. The reversal of 1422212311 is 1132122241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1422212311 - 23 = 1422212303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422212711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54700461 + ... + 54700486.

It is an arithmetic number, because the mean of its divisors is an integer number (382903318).

Almost surely, 21422212311 is an apocalyptic number.

1422212311 is a deficient number, since it is larger than the sum of its proper divisors (109400961).

1422212311 is a wasteful number, since it uses less digits than its factorization.

1422212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109400960.

The product of its digits is 192, while the sum is 19.

The square root of 1422212311 is about 37712.2302575703. The cubic root of 1422212311 is about 1124.5742747353.

Adding to 1422212311 its reverse (1132122241), we get a palindrome (2554334552).

The spelling of 1422212311 in words is "one billion, four hundred twenty-two million, two hundred twelve thousand, three hundred eleven".

Divisors: 1 13 109400947 1422212311