30022399 has 6 divisors (see below), whose sum is σ = 32999960. Its totient is φ = 27292980.

The previous prime is 30022393. The next prime is 30022403. The reversal of 30022399 is 99322003.

It is a happy number.

It is not a de Polignac number, because 30022399 - 2⁷ = 30022271 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 (30022393) 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, 123939 + ... + 124180.

Almost surely, 2^30022399 is an apocalyptic number.

30022399 is a deficient number, since it is larger than the sum of its proper divisors (2977561).

30022399 is a wasteful number, since it uses less digits than its factorization.

30022399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248141 (or 248130 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 30022399 is about 5479.2699331207. The cubic root of 30022399 is about 310.8005634692.

The spelling of 30022399 in words is "thirty million, twenty-two thousand, three hundred ninety-nine".