22945407 has 8 divisors (see below), whose sum is σ = 32204160. Its totient is φ = 14491800.

The previous prime is 22945399. The next prime is 22945451. The reversal of 22945407 is 70454922.

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

It is not a de Polignac number, because 22945407 - 2³ = 22945399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22945477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201219 + ... + 201332.

It is an arithmetic number, because the mean of its divisors is an integer number (4025520).

Almost surely, 2^22945407 is an apocalyptic number.

22945407 is a deficient number, since it is larger than the sum of its proper divisors (9258753).

22945407 is a wasteful number, since it uses less digits than its factorization.

22945407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402573.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 22945407 is about 4790.1364281198. The cubic root of 22945407 is about 284.1615121436.

The spelling of 22945407 in words is "twenty-two million, nine hundred forty-five thousand, four hundred seven".