2220025500625 has 45 divisors (see below), whose sum is σ = 2805349265719. Its totient is φ = 1756263332000.

The previous prime is 2220025500463. The next prime is 2220025500647. The reversal of 2220025500625 is 5260055200222.

The square root of 2220025500625 is 1489975.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 2219387837121 + 637663504 = 1489761^2 + 25252^2 .

It is not a de Polignac number, because 2220025500625 - 2⁴¹ = 21002245073 is a prime.

It is a super-3 number, since 3×2220025500625³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3985682847 + ... + 3985683403.

Almost surely, 2^{2220025500625} is an apocalyptic number.

2220025500625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2220025500625 is the 1489975-th square number.

2220025500625 is the 744988-th centered octagonal number.

It is an amenable number.

2220025500625 is a deficient number, since it is larger than the sum of its proper divisors (585323765094).

2220025500625 is an frugal number, since it uses more digits than its factorization.

2220025500625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 2220025500625 in words is "two trillion, two hundred twenty billion, twenty-five million, five hundred thousand, six hundred twenty-five".