455216774 has 4 divisors (see below), whose sum is σ = 682825164. Its totient is φ = 227608386.

The previous prime is 455216767. The next prime is 455216779. The reversal of 455216774 is 477612554.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×455216774² = 414444622661934152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455216779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113804192 + ... + 113804195.

It is an arithmetic number, because the mean of its divisors is an integer number (170706291).

Almost surely, 2^455216774 is an apocalyptic number.

455216774 is a deficient number, since it is larger than the sum of its proper divisors (227608390).

455216774 is a wasteful number, since it uses less digits than its factorization.

455216774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227608389.

The product of its digits is 235200, while the sum is 41.

The square root of 455216774 is about 21335.8096635680. The cubic root of 455216774 is about 769.2592944494.

The spelling of 455216774 in words is "four hundred fifty-five million, two hundred sixteen thousand, seven hundred seventy-four".