442699274 has 4 divisors (see below), whose sum is σ = 664048914. Its totient is φ = 221349636.

The previous prime is 442699241. The next prime is 442699289. The reversal of 442699274 is 472996244.

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., 310288225 + 132411049 = 17615^2 + 11507^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110674817 + ... + 110674820.

Almost surely, 2^442699274 is an apocalyptic number.

442699274 is a deficient number, since it is larger than the sum of its proper divisors (221349640).

442699274 is a wasteful number, since it uses less digits than its factorization.

442699274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221349639.

The product of its digits is 870912, while the sum is 47.

The square root of 442699274 is about 21040.4200053136. The cubic root of 442699274 is about 762.1426573910.

The spelling of 442699274 in words is "four hundred forty-two million, six hundred ninety-nine thousand, two hundred seventy-four".