370745221 has 12 divisors (see below), whose sum is σ = 470482560. Its totient is φ = 288891960.

The previous prime is 370745209. The next prime is 370745261. The reversal of 370745221 is 122547073.

It is not a de Polignac number, because 370745221 - 2⁵ = 370745189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (370745201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343381 + ... + 344458.

It is an arithmetic number, because the mean of its divisors is an integer number (39206880).

Almost surely, 2^370745221 is an apocalyptic number.

It is an amenable number.

370745221 is a deficient number, since it is larger than the sum of its proper divisors (99737339).

370745221 is a wasteful number, since it uses less digits than its factorization.

370745221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687864 (or 687857 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 370745221 is about 19254.7454150918. The cubic root of 370745221 is about 718.3870923472.

The spelling of 370745221 in words is "three hundred seventy million, seven hundred forty-five thousand, two hundred twenty-one".