355222530 has 64 divisors (see below), whose sum is σ = 1020136320. Its totient is φ = 87438528.

The previous prime is 355222519. The next prime is 355222547. The reversal of 355222530 is 35222553.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 355222494 and 355222503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47092 + ... + 54111.

It is an arithmetic number, because the mean of its divisors is an integer number (15939630).

Almost surely, 2^355222530 is an apocalyptic number.

355222530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

355222530 is an abundant number, since it is smaller than the sum of its proper divisors (664913790).

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

355222530 is a wasteful number, since it uses less digits than its factorization.

355222530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101232 (or 101226 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 355222530 is about 18847.3480893202. The cubic root of 355222530 is about 708.2177942423.

The spelling of 355222530 in words is "three hundred fifty-five million, two hundred twenty-two thousand, five hundred thirty".