374221281 has 24 divisors (see below), whose sum is σ = 584885664. Its totient is φ = 212197440.

The previous prime is 374221279. The next prime is 374221297. The reversal of 374221281 is 182122473.

It is not a de Polignac number, because 374221281 - 2¹ = 374221279 is a prime.

It is a super-2 number, since 2×374221281² = 280083134306561922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (374221271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9541 + ... + 28973.

It is an arithmetic number, because the mean of its divisors is an integer number (24370236).

Almost surely, 2^374221281 is an apocalyptic number.

It is an amenable number.

374221281 is a deficient number, since it is larger than the sum of its proper divisors (210664383).

374221281 is a wasteful number, since it uses less digits than its factorization.

374221281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19581 (or 19574 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 374221281 is about 19344.7998438857. The cubic root of 374221281 is about 720.6252805092.

The spelling of 374221281 in words is "three hundred seventy-four million, two hundred twenty-one thousand, two hundred eighty-one".