229420988 has 6 divisors (see below), whose sum is σ = 401486736. Its totient is φ = 114710492.

The previous prime is 229420981. The next prime is 229420993. The reversal of 229420988 is 889024922.

It is a super-2 number, since 2×229420988² = 105267979469792288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229420981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28677620 + ... + 28677627.

It is an arithmetic number, because the mean of its divisors is an integer number (66914456).

Almost surely, 2^229420988 is an apocalyptic number.

It is an amenable number.

229420988 is a deficient number, since it is larger than the sum of its proper divisors (172065748).

229420988 is a wasteful number, since it uses less digits than its factorization.

229420988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57355251 (or 57355249 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 229420988 is about 15146.6493984643. The cubic root of 229420988 is about 612.1779958432.

The spelling of 229420988 in words is "two hundred twenty-nine million, four hundred twenty thousand, nine hundred eighty-eight".