228432922 has 16 divisors (see below), whose sum is σ = 349011144. Its totient is φ = 112104000.

The previous prime is 228432907. The next prime is 228432937. The reversal of 228432922 is 229234822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228432907) and next prime (228432937).

It can be written as a sum of positive squares in 4 ways, for example, as 86322681 + 142110241 = 9291^2 + 11921^2 .

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, 64272 + ... + 67732.

Almost surely, 2^228432922 is an apocalyptic number.

228432922 is a deficient number, since it is larger than the sum of its proper divisors (120578222).

228432922 is a wasteful number, since it uses less digits than its factorization.

228432922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065.

The product of its digits is 27648, while the sum is 34.

The square root of 228432922 is about 15113.9975519384. The cubic root of 228432922 is about 611.2978922639.

The spelling of 228432922 in words is "two hundred twenty-eight million, four hundred thirty-two thousand, nine hundred twenty-two".