242892226 has 32 divisors (see below), whose sum is σ = 401572080. Its totient is φ = 109670400.

The previous prime is 242892191. The next prime is 242892233. The reversal of 242892226 is 622298242.

It is a Cunningham number, because it is equal to 15585²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 41280625 + 201611601 = 6425^2 + 14199^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177786 + ... + 179146.

Almost surely, 2^242892226 is an apocalyptic number.

242892226 is a deficient number, since it is larger than the sum of its proper divisors (158679854).

242892226 is a wasteful number, since it uses less digits than its factorization.

242892226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its digits is 55296, while the sum is 37.

The square root of 242892226 is about 15585.0000320821. Note that the first 4 decimals coincide. The cubic root of 242892226 is about 623.9328785599.

The spelling of 242892226 in words is "two hundred forty-two million, eight hundred ninety-two thousand, two hundred twenty-six".