22992449 has 8 divisors (see below), whose sum is σ = 24562440. Its totient is φ = 21446656.

The previous prime is 22992443. The next prime is 22992467. The reversal of 22992449 is 94429922.

It can be written as a sum of positive squares in 4 ways, for example, as 19600 + 22972849 = 140^2 + 4793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22992449 - 2¹² = 22988353 is a prime.

It is a super-2 number, since 2×22992449² = 1057305422035202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22992443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4064 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (3070305).

Almost surely, 2^22992449 is an apocalyptic number.

It is an amenable number.

22992449 is a deficient number, since it is larger than the sum of its proper divisors (1569991).

22992449 is a wasteful number, since it uses less digits than its factorization.

22992449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099.

The product of its digits is 93312, while the sum is 41.

The square root of 22992449 is about 4795.0442125178. The cubic root of 22992449 is about 284.3555727823.

The spelling of 22992449 in words is "twenty-two million, nine hundred ninety-two thousand, four hundred forty-nine".