22912049 has 4 divisors (see below), whose sum is σ = 22923264. Its totient is φ = 22900836.

The previous prime is 22912037. The next prime is 22912103. The reversal of 22912049 is 94021922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94021922 = 2 ⋅47010961.

It is a cyclic number.

It is not a de Polignac number, because 22912049 - 2⁸ = 22911793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22912009) 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 3 ways as a sum of consecutive naturals, for example, 1577 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (5730816).

Almost surely, 2^22912049 is an apocalyptic number.

It is an amenable number.

22912049 is a deficient number, since it is larger than the sum of its proper divisors (11215).

22912049 is an equidigital number, since it uses as much as digits as its factorization.

22912049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11214.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 22912049 is about 4786.6532149300. The cubic root of 22912049 is about 284.0237408243.

The spelling of 22912049 in words is "twenty-two million, nine hundred twelve thousand, forty-nine".