381225735 has 48 divisors (see below), whose sum is σ = 745748640. Its totient is φ = 178456320.

The previous prime is 381225703. The next prime is 381225773. The reversal of 381225735 is 537522183.

It is a happy number.

381225735 is a `hidden beast` number, since 3 + 81 + 2 + 2 + 573 + 5 = 666.

It is not a de Polignac number, because 381225735 - 2⁵ = 381225703 is a prime.

It is a super-2 number, since 2×381225735² = 290666122052580450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 381225735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1077 + ... + 27633.

It is an arithmetic number, because the mean of its divisors is an integer number (15536430).

Almost surely, 2^381225735 is an apocalyptic number.

381225735 is a deficient number, since it is larger than the sum of its proper divisors (364522905).

381225735 is a wasteful number, since it uses less digits than its factorization.

381225735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26608 (or 26605 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 381225735 is about 19525.0028169012. The cubic root of 381225735 is about 725.0935971115.

The spelling of 381225735 in words is "three hundred eighty-one million, two hundred twenty-five thousand, seven hundred thirty-five".