69822138 has 16 divisors (see below), whose sum is σ = 139952736. Its totient is φ = 23222640.

The previous prime is 69822127. The next prime is 69822149. The reversal of 69822138 is 83122896.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (69822127) and next prime (69822149).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 69822096 and 69822105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9856 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (8747046).

Almost surely, 2^69822138 is an apocalyptic number.

69822138 is an abundant number, since it is smaller than the sum of its proper divisors (70130598).

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

69822138 is a wasteful number, since it uses less digits than its factorization.

69822138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25709.

The product of its digits is 41472, while the sum is 39.

The square root of 69822138 is about 8355.9642172522. The cubic root of 69822138 is about 411.7791767599.

The spelling of 69822138 in words is "sixty-nine million, eight hundred twenty-two thousand, one hundred thirty-eight".