69780222 has 12 divisors (see below), whose sum is σ = 151190520. Its totient is φ = 23260068.

The previous prime is 69780211. The next prime is 69780247. The reversal of 69780222 is 22208796.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1938322 + ... + 1938357.

It is an arithmetic number, because the mean of its divisors is an integer number (12599210).

Almost surely, 2^69780222 is an apocalyptic number.

69780222 is an abundant number, since it is smaller than the sum of its proper divisors (81410298).

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

69780222 is a wasteful number, since it uses less digits than its factorization.

69780222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876687 (or 3876684 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 69780222 is about 8353.4556921073. The cubic root of 69780222 is about 411.6967597715.

The spelling of 69780222 in words is "sixty-nine million, seven hundred eighty thousand, two hundred twenty-two".