307220942 has 16 divisors (see below), whose sum is σ = 527204832. Its totient is φ = 131531040.

The previous prime is 307220941. The next prime is 307220951. The reversal of 307220942 is 249022703.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307220941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3548 + ... + 25040.

It is an arithmetic number, because the mean of its divisors is an integer number (32950302).

Almost surely, 2^307220942 is an apocalyptic number.

307220942 is a deficient number, since it is larger than the sum of its proper divisors (219983890).

307220942 is a wasteful number, since it uses less digits than its factorization.

307220942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22523.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 307220942 is about 17527.7192469528. The cubic root of 307220942 is about 674.7614645031.

The spelling of 307220942 in words is "three hundred seven million, two hundred twenty thousand, nine hundred forty-two".