22607121 has 16 divisors (see below), whose sum is σ = 31052736. Its totient is φ = 14621376.

The previous prime is 22607087. The next prime is 22607147. The reversal of 22607121 is 12170622.

It is not a de Polignac number, because 22607121 - 2⁷ = 22606993 is a prime.

It is a super-2 number, since 2×22607121² = 1022163839817282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22607171) 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, 21811 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (1940796).

Almost surely, 2^22607121 is an apocalyptic number.

It is an amenable number.

22607121 is a deficient number, since it is larger than the sum of its proper divisors (8445615).

22607121 is a wasteful number, since it uses less digits than its factorization.

22607121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 22607121 is about 4754.6946274183. The cubic root of 22607121 is about 282.7581205194.

Adding to 22607121 its reverse (12170622), we get a palindrome (34777743).

The spelling of 22607121 in words is "twenty-two million, six hundred seven thousand, one hundred twenty-one".