30222374 has 32 divisors (see below), whose sum is σ = 56130816. Its totient is φ = 11884320.

The previous prime is 30222373. The next prime is 30222383. The reversal of 30222374 is 47322203.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38009 + ... + 38795.

It is an arithmetic number, because the mean of its divisors is an integer number (1754088).

Almost surely, 2^30222374 is an apocalyptic number.

30222374 is a deficient number, since it is larger than the sum of its proper divisors (25908442).

30222374 is a wasteful number, since it uses less digits than its factorization.

30222374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 30222374 is about 5497.4879717922. The cubic root of 30222374 is about 311.4891033275.

Adding to 30222374 its reverse (47322203), we get a palindrome (77544577).

The spelling of 30222374 in words is "thirty million, two hundred twenty-two thousand, three hundred seventy-four".