442722294 has 64 divisors (see below), whose sum is σ = 1163174400. Its totient is φ = 122127264.

The previous prime is 442722283. The next prime is 442722299. The reversal of 442722294 is 492227244.

442722294 is a `hidden beast` number, since 4 + 427 + 2 + 229 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442722299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9232 + ... + 31155.

It is an arithmetic number, because the mean of its divisors is an integer number (18174600).

Almost surely, 2^442722294 is an apocalyptic number.

442722294 is an abundant number, since it is smaller than the sum of its proper divisors (720452106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442722294 is a wasteful number, since it uses less digits than its factorization.

442722294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40434 (or 40428 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 442722294 is about 21040.9670405141. The cubic root of 442722294 is about 762.1558674269.

The spelling of 442722294 in words is "four hundred forty-two million, seven hundred twenty-two thousand, two hundred ninety-four".