30223522 has 8 divisors (see below), whose sum is σ = 51811776. Its totient is φ = 12952932.

The previous prime is 30223513. The next prime is 30223549. The reversal of 30223522 is 22532203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30223522² = 1826922564168968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30223522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079398 + ... + 1079425.

It is an arithmetic number, because the mean of its divisors is an integer number (6476472).

Almost surely, 2^30223522 is an apocalyptic number.

30223522 is a deficient number, since it is larger than the sum of its proper divisors (21588254).

30223522 is a wasteful number, since it uses less digits than its factorization.

30223522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158832.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30223522 is about 5497.5923821251. The cubic root of 30223522 is about 311.4930472595.

Adding to 30223522 its reverse (22532203), we get a palindrome (52755725).

The spelling of 30223522 in words is "thirty million, two hundred twenty-three thousand, five hundred twenty-two".