69138222 has 16 divisors (see below), whose sum is σ = 141219072. Its totient is φ = 22555640.

The previous prime is 69138217. The next prime is 69138241. The reversal of 69138222 is 22283196.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122304 + ... + 122867.

It is an arithmetic number, because the mean of its divisors is an integer number (8826192).

Almost surely, 2^69138222 is an apocalyptic number.

69138222 is an abundant number, since it is smaller than the sum of its proper divisors (72080850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69138222 is a wasteful number, since it uses less digits than its factorization.

69138222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245223.

The product of its digits is 10368, while the sum is 33.

The square root of 69138222 is about 8314.9396870933. The cubic root of 69138222 is about 410.4302879014.

The spelling of 69138222 in words is "sixty-nine million, one hundred thirty-eight thousand, two hundred twenty-two".