357225540 has 48 divisors (see below), whose sum is σ = 1143123072. Its totient is φ = 81651456.

The previous prime is 357225503. The next prime is 357225541. The reversal of 357225540 is 45522753.

It is a super-2 number, since 2×357225540² = 255220172856583200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (357225541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424849 + ... + 425688.

It is an arithmetic number, because the mean of its divisors is an integer number (23815064).

Almost surely, 2^357225540 is an apocalyptic number.

357225540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

357225540 is an abundant number, since it is smaller than the sum of its proper divisors (785897532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

357225540 is a wasteful number, since it uses less digits than its factorization.

357225540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850556 (or 850554 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 357225540 is about 18900.4111066400. The cubic root of 357225540 is about 709.5464537084.

The spelling of 357225540 in words is "three hundred fifty-seven million, two hundred twenty-five thousand, five hundred forty".