226893970 has 16 divisors (see below), whose sum is σ = 422492760. Its totient is φ = 87627904.

The previous prime is 226893967. The next prime is 226893971. The reversal of 226893970 is 79398622.

It is a Cunningham number, because it is equal to 15063²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 223771681 + 3122289 = 14959^2 + 1767^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 226893970.

It is not an unprimeable number, because it can be changed into a prime (226893971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390907 + ... + 391486.

Almost surely, 2^226893970 is an apocalyptic number.

226893970 is a deficient number, since it is larger than the sum of its proper divisors (195598790).

226893970 is a wasteful number, since it uses less digits than its factorization.

226893970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782429.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 226893970 is about 15063.0000331939. Note that the first 4 decimals coincide. The cubic root of 226893970 is about 609.9220271204.

The spelling of 226893970 in words is "two hundred twenty-six million, eight hundred ninety-three thousand, nine hundred seventy".