22692121 has 4 divisors (see below), whose sum is σ = 22718592. Its totient is φ = 22665652.

The previous prime is 22692119. The next prime is 22692133. The reversal of 22692121 is 12129622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22692121 - 2¹ = 22692119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22692101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11905 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (5679648).

Almost surely, 2^22692121 is an apocalyptic number.

It is an amenable number.

22692121 is a deficient number, since it is larger than the sum of its proper divisors (26471).

22692121 is an equidigital number, since it uses as much as digits as its factorization.

22692121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26470.

The product of its digits is 864, while the sum is 25.

The square root of 22692121 is about 4763.6247753155. The cubic root of 22692121 is about 283.1120559132.

The spelling of 22692121 in words is "twenty-two million, six hundred ninety-two thousand, one hundred twenty-one".