30222698 has 32 divisors (see below), whose sum is σ = 51701760. Its totient is φ = 13124160.

The previous prime is 30222697. The next prime is 30222701. The reversal of 30222698 is 89622203.

It is a super-2 number, since 2×30222698² = 1826822948798408, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30222697) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 80840 + ... + 81212.

It is an arithmetic number, because the mean of its divisors is an integer number (1615680).

Almost surely, 2^30222698 is an apocalyptic number.

30222698 is a deficient number, since it is larger than the sum of its proper divisors (21479062).

30222698 is a wasteful number, since it uses less digits than its factorization.

30222698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 30222698 is about 5497.5174397177. The cubic root of 30222698 is about 311.4902164334.

The spelling of 30222698 in words is "thirty million, two hundred twenty-two thousand, six hundred ninety-eight".