381022355 has 32 divisors (see below), whose sum is σ = 536870400. Its totient is φ = 254161152.

The previous prime is 381022351. The next prime is 381022363. The reversal of 381022355 is 553220183.

It is not a de Polignac number, because 381022355 - 2² = 381022351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381022351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615236 + ... + 615854.

It is an arithmetic number, because the mean of its divisors is an integer number (16777200).

Almost surely, 2^381022355 is an apocalyptic number.

381022355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

381022355 is a deficient number, since it is larger than the sum of its proper divisors (155848045).

381022355 is a wasteful number, since it uses less digits than its factorization.

381022355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 381022355 is about 19519.7939282155. The cubic root of 381022355 is about 724.9646308548.

The spelling of 381022355 in words is "three hundred eighty-one million, twenty-two thousand, three hundred fifty-five".