22951533 has 16 divisors (see below), whose sum is σ = 33480000. Its totient is φ = 13870080.

The previous prime is 22951519. The next prime is 22951549. The reversal of 22951533 is 33515922.

It is not a de Polignac number, because 22951533 - 2⁴ = 22951517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22951533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22951553) 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, 14043 + ... + 15591.

It is an arithmetic number, because the mean of its divisors is an integer number (2092500).

Almost surely, 2^22951533 is an apocalyptic number.

It is an amenable number.

22951533 is a deficient number, since it is larger than the sum of its proper divisors (10528467).

22951533 is a wasteful number, since it uses less digits than its factorization.

22951533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012.

The product of its digits is 8100, while the sum is 30.

The square root of 22951533 is about 4790.7758244360. The cubic root of 22951533 is about 284.1867985191.

It can be divided in two parts, 2295 and 1533, that added together give a triangular number (3828 = T₈₇).

The spelling of 22951533 in words is "twenty-two million, nine hundred fifty-one thousand, five hundred thirty-three".