454224138722 has 4 divisors (see below), whose sum is σ = 681336208086. Its totient is φ = 227112069360.

The previous prime is 454224138707. The next prime is 454224138749. The reversal of 454224138722 is 227831422454.

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

It can be written as a sum of positive squares in only one way, i.e., 265780460521 + 188443678201 = 515539^2 + 434101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113556034679 + ... + 113556034682.

Almost surely, 2^454224138722 is an apocalyptic number.

454224138722 is a deficient number, since it is larger than the sum of its proper divisors (227112069364).

454224138722 is a wasteful number, since it uses less digits than its factorization.

454224138722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227112069363.

The product of its digits is 860160, while the sum is 44.

The spelling of 454224138722 in words is "four hundred fifty-four billion, two hundred twenty-four million, one hundred thirty-eight thousand, seven hundred twenty-two".