1002225131550 has 72 divisors (see below), whose sum is σ = 2693032527744. Its totient is φ = 267221556480.

The previous prime is 1002225131521. The next prime is 1002225131581. The reversal of 1002225131550 is 551315222001.

1002225131550 is a `hidden beast` number, since 10 + 0 + 2 + 22 + 51 + 31 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3039574 + ... + 3353126.

It is an arithmetic number, because the mean of its divisors is an integer number (37403229552).

Almost surely, 2^{1002225131550} is an apocalyptic number.

1002225131550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002225131550 is an abundant number, since it is smaller than the sum of its proper divisors (1690807396194).

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

1002225131550 is a wasteful number, since it uses less digits than its factorization.

1002225131550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320674 (or 320666 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 1002225131550 in words is "one trillion, two billion, two hundred twenty-five million, one hundred thirty-one thousand, five hundred fifty".