3222749453 has 30 divisors (see below), whose sum is σ = 4132881102. Its totient is φ = 2511006960.

The previous prime is 3222749441. The next prime is 3222749501. The reversal of 3222749453 is 3549472223.

It can be written as a sum of positive squares in only one way, i.e., 3082137289 + 140612164 = 55517^2 + 11858^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3222749453 is a prime.

It is a super-2 number, since 2×3222749453² = 20772228073623598418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3222749453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222749753) 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 29 ways as a sum of consecutive naturals, for example, 284975 + ... + 296067.

Almost surely, 2^3222749453 is an apocalyptic number.

It is an amenable number.

3222749453 is a deficient number, since it is larger than the sum of its proper divisors (910131649).

3222749453 is an equidigital number, since it uses as much as digits as its factorization.

3222749453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143 (or 11111 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 3222749453 is about 56769.2650383991. The cubic root of 3222749453 is about 1477.0964275971.

The spelling of 3222749453 in words is "three billion, two hundred twenty-two million, seven hundred forty-nine thousand, four hundred fifty-three".