22461045 has 16 divisors (see below), whose sum is σ = 36372672. Its totient is φ = 11834240.

The previous prime is 22461017. The next prime is 22461067. The reversal of 22461045 is 54016422.

It is not a de Polignac number, because 22461045 - 2⁷ = 22460917 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7776 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (2273292).

Almost surely, 2^22461045 is an apocalyptic number.

It is an amenable number.

22461045 is a deficient number, since it is larger than the sum of its proper divisors (13911627).

22461045 is a wasteful number, since it uses less digits than its factorization.

22461045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18132.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22461045 is about 4739.3084938628. The cubic root of 22461045 is about 282.1477898436.

Adding to 22461045 its reverse (54016422), we get a palindrome (76477467).

The spelling of 22461045 in words is "twenty-two million, four hundred sixty-one thousand, forty-five".