29985222 has 16 divisors (see below), whose sum is σ = 60589872. Its totient is φ = 9891840.

The previous prime is 29985209. The next prime is 29985239. The reversal of 29985222 is 22258992.

It is a super-2 number, since 2×29985222² = 1798227076778568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25179 + ... + 26342.

It is an arithmetic number, because the mean of its divisors is an integer number (3786867).

Almost surely, 2^29985222 is an apocalyptic number.

29985222 is an abundant number, since it is smaller than the sum of its proper divisors (30604650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29985222 is a wasteful number, since it uses less digits than its factorization.

29985222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51623.

The product of its digits is 51840, while the sum is 39.

The square root of 29985222 is about 5475.8763682172. The cubic root of 29985222 is about 310.6722214577.

The spelling of 29985222 in words is "twenty-nine million, nine hundred eighty-five thousand, two hundred twenty-two".