2238898490 has 16 divisors (see below), whose sum is σ = 4138937352. Its totient is φ = 871354944.

The previous prime is 2238898483. The next prime is 2238898517. The reversal of 2238898490 is 948988322.

It is a Cunningham number, because it is equal to 47317²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2003368081 + 235530409 = 44759^2 + 15347^2 .

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, 3025169 + ... + 3025908.

Almost surely, 2^2238898490 is an apocalyptic number.

2238898490 is a deficient number, since it is larger than the sum of its proper divisors (1900038862).

2238898490 is a wasteful number, since it uses less digits than its factorization.

2238898490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051121.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 2238898490 is about 47317.0000105670. Note that the first 4 decimals coincide. The cubic root of 2238898490 is about 1308.2120179434.

The spelling of 2238898490 in words is "two billion, two hundred thirty-eight million, eight hundred ninety-eight thousand, four hundred ninety".