2220165371425 has 12 divisors (see below), whose sum is σ = 2914946535276. Its totient is φ = 1671653926400.

The previous prime is 2220165371401. The next prime is 2220165371441. The reversal of 2220165371425 is 5241735610222.

It can be written as a sum of positive squares in 6 ways, for example, as 141836598544 + 2078328772881 = 376612^2 + 1441641^2 .

It is not a de Polignac number, because 2220165371425 - 2²³ = 2220156982817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2611958836 + ... + 2611959685.

It is an arithmetic number, because the mean of its divisors is an integer number (242912211273).

Almost surely, 2^{2220165371425} is an apocalyptic number.

2220165371425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2220165371425 is a deficient number, since it is larger than the sum of its proper divisors (694781163851).

2220165371425 is a wasteful number, since it uses less digits than its factorization.

2220165371425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223918548 (or 5223918543 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 2220165371425 in words is "two trillion, two hundred twenty billion, one hundred sixty-five million, three hundred seventy-one thousand, four hundred twenty-five".