22416645 has 16 divisors (see below), whose sum is σ = 36322560. Its totient is φ = 11803584.

The previous prime is 22416587. The next prime is 22416649. The reversal of 22416645 is 54661422.

It is not a de Polignac number, because 22416645 - 2⁷ = 22416517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22416649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8274 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (2270160).

Almost surely, 2^22416645 is an apocalyptic number.

It is an amenable number.

22416645 is a deficient number, since it is larger than the sum of its proper divisors (13905915).

22416645 is a wasteful number, since it uses less digits than its factorization.

22416645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19004.

The product of its digits is 11520, while the sum is 30.

The square root of 22416645 is about 4734.6219490050. The cubic root of 22416645 is about 281.9617547852.

The spelling of 22416645 in words is "twenty-two million, four hundred sixteen thousand, six hundred forty-five".