162774226 has 16 divisors (see below), whose sum is σ = 247281048. Its totient is φ = 80352000.

The previous prime is 162774217. The next prime is 162774233. The reversal of 162774226 is 622477261.

It can be written as a sum of positive squares in 4 ways, for example, as 95550625 + 67223601 = 9775^2 + 8199^2 .

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, 86536 + ... + 88396.

Almost surely, 2^162774226 is an apocalyptic number.

162774226 is a deficient number, since it is larger than the sum of its proper divisors (84506822).

162774226 is a wasteful number, since it uses less digits than its factorization.

162774226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its digits is 56448, while the sum is 37.

The square root of 162774226 is about 12758.3002786421. The cubic root of 162774226 is about 546.0032313852.

It can be divided in two parts, 16277 and 4226, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 162774226 in words is "one hundred sixty-two million, seven hundred seventy-four thousand, two hundred twenty-six".