22152959 has 4 divisors (see below), whose sum is σ = 22360104. Its totient is φ = 21945816.

The previous prime is 22152937. The next prime is 22152971. The reversal of 22152959 is 95925122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22152959 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 (22152919) 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, 103412 + ... + 103625.

It is an arithmetic number, because the mean of its divisors is an integer number (5590026).

Almost surely, 2^22152959 is an apocalyptic number.

22152959 is a deficient number, since it is larger than the sum of its proper divisors (207145).

22152959 is a wasteful number, since it uses less digits than its factorization.

22152959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207144.

The product of its digits is 16200, while the sum is 35.

The square root of 22152959 is about 4706.6930003985. The cubic root of 22152959 is about 280.8518234491.

The spelling of 22152959 in words is "twenty-two million, one hundred fifty-two thousand, nine hundred fifty-nine".