22248645 has 16 divisors (see below), whose sum is σ = 35717760. Its totient is φ = 11825984.

The previous prime is 22248643. The next prime is 22248649. The reversal of 22248645 is 54684222.

It is a cyclic number.

It is not a de Polignac number, because 22248645 - 2¹ = 22248643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248643) 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, 2416 + ... + 7094.

It is an arithmetic number, because the mean of its divisors is an integer number (2232360).

Almost surely, 2^22248645 is an apocalyptic number.

It is an amenable number.

22248645 is a deficient number, since it is larger than the sum of its proper divisors (13469115).

22248645 is a wasteful number, since it uses less digits than its factorization.

22248645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004.

The product of its digits is 30720, while the sum is 33.

The square root of 22248645 is about 4716.8469341288. The cubic root of 22248645 is about 281.2556068018.

The spelling of 22248645 in words is "twenty-two million, two hundred forty-eight thousand, six hundred forty-five".