137323222 has 16 divisors (see below), whose sum is σ = 217214640. Its totient is φ = 64931328.

The previous prime is 137323213. The next prime is 137323223. The reversal of 137323222 is 222323731.

137323222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137323222² = 37715334600922568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137323223) 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, 20518 + ... + 26374.

It is an arithmetic number, because the mean of its divisors is an integer number (13575915).

Almost surely, 2^137323222 is an apocalyptic number.

137323222 is a deficient number, since it is larger than the sum of its proper divisors (79891418).

137323222 is a wasteful number, since it uses less digits than its factorization.

137323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6495.

The product of its digits is 3024, while the sum is 25.

The square root of 137323222 is about 11718.4991359815. The cubic root of 137323222 is about 515.9187696381.

Adding to 137323222 its reverse (222323731), we get a palindrome (359646953).

The spelling of 137323222 in words is "one hundred thirty-seven million, three hundred twenty-three thousand, two hundred twenty-two".