30122397 has 12 divisors (see below), whose sum is σ = 43588480. Its totient is φ = 20045448.

The previous prime is 30122383. The next prime is 30122399. The reversal of 30122397 is 79322103.

It is not a de Polignac number, because 30122397 - 2⁴ = 30122381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30122397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2868 + ... + 8274.

Almost surely, 2^30122397 is an apocalyptic number.

It is an amenable number.

30122397 is a deficient number, since it is larger than the sum of its proper divisors (13466083).

30122397 is a wasteful number, since it uses less digits than its factorization.

30122397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032 (or 6029 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 30122397 is about 5488.3874681003. The cubic root of 30122397 is about 311.1452504723.

The spelling of 30122397 in words is "thirty million, one hundred twenty-two thousand, three hundred ninety-seven".