22404045 has 32 divisors (see below), whose sum is σ = 38368512. Its totient is φ = 11123712.

The previous prime is 22403987. The next prime is 22404061. The reversal of 22404045 is 54040422.

It is not a de Polignac number, because 22404045 - 2¹⁰ = 22403021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25839 + ... + 26691.

It is an arithmetic number, because the mean of its divisors is an integer number (1199016).

Almost surely, 2^22404045 is an apocalyptic number.

It is an amenable number.

22404045 is a deficient number, since it is larger than the sum of its proper divisors (15964467).

22404045 is a wasteful number, since it uses less digits than its factorization.

22404045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 22404045 is about 4733.2911383096. The cubic root of 22404045 is about 281.9089163110.

Adding to 22404045 its reverse (54040422), we get a palindrome (76444467).

The spelling of 22404045 in words is "twenty-two million, four hundred four thousand, forty-five".