22153047 has 24 divisors (see below), whose sum is σ = 35297136. Its totient is φ = 12313728.

The previous prime is 22153039. The next prime is 22153067. The reversal of 22153047 is 74035122.

It is not a de Polignac number, because 22153047 - 2³ = 22153039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3403 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (1470714).

Almost surely, 2^22153047 is an apocalyptic number.

22153047 is a deficient number, since it is larger than the sum of its proper divisors (13144089).

22153047 is a wasteful number, since it uses less digits than its factorization.

22153047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22153047 is about 4706.7023487788. The cubic root of 22153047 is about 280.8521953321.

Adding to 22153047 its reverse (74035122), we get a palindrome (96188169).

The spelling of 22153047 in words is "twenty-two million, one hundred fifty-three thousand, forty-seven".