226420402 has 16 divisors (see below), whose sum is σ = 366454872. Its totient is φ = 104302080.

The previous prime is 226420393. The next prime is 226420421. The reversal of 226420402 is 204024622.

It can be written as a sum of positive squares in 4 ways, for example, as 153983281 + 72437121 = 12409^2 + 8511^2 .

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, 6018 + ... + 22114.

Almost surely, 2^226420402 is an apocalyptic number.

226420402 is a deficient number, since it is larger than the sum of its proper divisors (140034470).

226420402 is a wasteful number, since it uses less digits than its factorization.

226420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16653.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 226420402 is about 15047.2722444967. The cubic root of 226420402 is about 609.4973930339.

The spelling of 226420402 in words is "two hundred twenty-six million, four hundred twenty thousand, four hundred two".