22736139 has 8 divisors (see below), whose sum is σ = 30346752. Its totient is φ = 15141480.

The previous prime is 22736137. The next prime is 22736143. The reversal of 22736139 is 93163722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22736139 - 2¹ = 22736137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22736137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 6744.

It is an arithmetic number, because the mean of its divisors is an integer number (3793344).

Almost surely, 2^22736139 is an apocalyptic number.

22736139 is a deficient number, since it is larger than the sum of its proper divisors (7610613).

22736139 is a wasteful number, since it uses less digits than its factorization.

22736139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977.

The product of its digits is 13608, while the sum is 33.

The square root of 22736139 is about 4768.2427580818. The cubic root of 22736139 is about 283.2949971969.

The spelling of 22736139 in words is "twenty-two million, seven hundred thirty-six thousand, one hundred thirty-nine".