381753226 has 32 divisors (see below), whose sum is σ = 600956928. Its totient is φ = 181727280.

The previous prime is 381753199. The next prime is 381753247. The reversal of 381753226 is 622357183.

It is a super-2 number, since 2×381753226² = 291471051122814152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628615 + ... + 629221.

It is an arithmetic number, because the mean of its divisors is an integer number (18779904).

Almost surely, 2^381753226 is an apocalyptic number.

381753226 is a deficient number, since it is larger than the sum of its proper divisors (219203702).

381753226 is a wasteful number, since it uses less digits than its factorization.

381753226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its digits is 60480, while the sum is 37.

The square root of 381753226 is about 19538.5062376836. The cubic root of 381753226 is about 725.4278733142.

The spelling of 381753226 in words is "three hundred eighty-one million, seven hundred fifty-three thousand, two hundred twenty-six".