229902490 has 8 divisors (see below), whose sum is σ = 413824500. Its totient is φ = 91960992.

The previous prime is 229902487. The next prime is 229902493. The reversal of 229902490 is 94209922.

It is an interprime number because it is at equal distance from previous prime (229902487) and next prime (229902493).

It can be written as a sum of positive squares in 2 ways, for example, as 227496889 + 2405601 = 15083^2 + 1551^2 .

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

It is not an unprimeable number, because it can be changed into a prime (229902493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11495115 + ... + 11495134.

Almost surely, 2^229902490 is an apocalyptic number.

229902490 is a deficient number, since it is larger than the sum of its proper divisors (183922010).

229902490 is a wasteful number, since it uses less digits than its factorization.

229902490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22990256.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 229902490 is about 15162.5357377979. The cubic root of 229902490 is about 612.6059702806.

The spelling of 229902490 in words is "two hundred twenty-nine million, nine hundred two thousand, four hundred ninety".