22148907 has 16 divisors (see below), whose sum is σ = 32389632. Its totient is φ = 13351520.

The previous prime is 22148879. The next prime is 22148921. The reversal of 22148907 is 70984122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22148907 - 2⁶ = 22148843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22148407) 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, 4798 + ... + 8204.

It is an arithmetic number, because the mean of its divisors is an integer number (2024352).

Almost surely, 2^22148907 is an apocalyptic number.

22148907 is a deficient number, since it is larger than the sum of its proper divisors (10240725).

22148907 is a wasteful number, since it uses less digits than its factorization.

22148907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 22148907 is about 4706.2625298638. The cubic root of 22148907 is about 280.8346988597.

The spelling of 22148907 in words is "twenty-two million, one hundred forty-eight thousand, nine hundred seven".