69122144 has 72 divisors (see below), whose sum is σ = 170529408. Its totient is φ = 27336960.

The previous prime is 69122111. The next prime is 69122149. The reversal of 69122144 is 44122196.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69122149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18689 + ... + 22079.

It is an arithmetic number, because the mean of its divisors is an integer number (2368464).

Almost surely, 2^69122144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69122144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85264704).

69122144 is an abundant number, since it is smaller than the sum of its proper divisors (101407264).

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

69122144 is a wasteful number, since it uses less digits than its factorization.

69122144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428 (or 3413 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 69122144 is about 8313.9728168909. The cubic root of 69122144 is about 410.3984704322.

The spelling of 69122144 in words is "sixty-nine million, one hundred twenty-two thousand, one hundred forty-four".