69220349 has 6 divisors (see below), whose sum is σ = 76085310. Its totient is φ = 62927480.

The previous prime is 69220343. The next prime is 69220351. The reversal of 69220349 is 94302296.

It can be written as a sum of positive squares in only one way, i.e., 65723449 + 3496900 = 8107^2 + 1870^2 .

It is not a de Polignac number, because 69220349 - 2⁸ = 69220093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69220343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285914 + ... + 286155.

It is an arithmetic number, because the mean of its divisors is an integer number (12680885).

Almost surely, 2^69220349 is an apocalyptic number.

It is an amenable number.

69220349 is a deficient number, since it is larger than the sum of its proper divisors (6864961).

69220349 is a wasteful number, since it uses less digits than its factorization.

69220349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572091 (or 572080 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 69220349 is about 8319.8767418754. The cubic root of 69220349 is about 410.5927357701.

The spelling of 69220349 in words is "sixty-nine million, two hundred twenty thousand, three hundred forty-nine".