22272601 has 16 divisors (see below), whose sum is σ = 26224128. Its totient is φ = 18720000.

The previous prime is 22272589. The next prime is 22272611. The reversal of 22272601 is 10627222.

It is not a de Polignac number, because 22272601 - 2⁷ = 22272473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22272611) 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, 5226 + ... + 8476.

It is an arithmetic number, because the mean of its divisors is an integer number (1639008).

Almost surely, 2^22272601 is an apocalyptic number.

It is an amenable number.

22272601 is a deficient number, since it is larger than the sum of its proper divisors (3951527).

22272601 is a wasteful number, since it uses less digits than its factorization.

22272601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 22272601 is about 4719.3856591722. The cubic root of 22272601 is about 281.3565169545.

Adding to 22272601 its reverse (10627222), we get a palindrome (32899823).

The spelling of 22272601 in words is "twenty-two million, two hundred seventy-two thousand, six hundred one".