69422220 has 216 divisors, whose sum is σ = 259930944. Its totient is φ = 14902272.

The previous prime is 69422191. The next prime is 69422233. The reversal of 69422220 is 2222496.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 149709 + ... + 150171.

It is an arithmetic number, because the mean of its divisors is an integer number (1203384).

Almost surely, 2^69422220 is an apocalyptic number.

69422220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69422220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129965472).

69422220 is an abundant number, since it is smaller than the sum of its proper divisors (190508724).

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

69422220 is a wasteful number, since it uses less digits than its factorization.

69422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 69422220 is about 8331.9997599616. Note that the first 3 decimals coincide. The cubic root of 69422220 is about 410.9914928887.

The spelling of 69422220 in words is "sixty-nine million, four hundred twenty-two thousand, two hundred twenty".