22148357 has 16 divisors (see below), whose sum is σ = 29068800. Its totient is φ = 16349040.

The previous prime is 22148341. The next prime is 22148359. The reversal of 22148357 is 75384122.

It is a cyclic number.

It is not a de Polignac number, because 22148357 - 2⁴ = 22148341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22148359) 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, 6107 + ... + 9032.

It is an arithmetic number, because the mean of its divisors is an integer number (1816800).

Almost surely, 2^22148357 is an apocalyptic number.

It is an amenable number.

22148357 is a deficient number, since it is larger than the sum of its proper divisors (6920443).

22148357 is a wasteful number, since it uses less digits than its factorization.

22148357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15176.

The product of its digits is 13440, while the sum is 32.

The square root of 22148357 is about 4706.2040967217. The cubic root of 22148357 is about 280.8323742851.

The spelling of 22148357 in words is "twenty-two million, one hundred forty-eight thousand, three hundred fifty-seven".