1222300025 has 6 divisors (see below), whose sum is σ = 1515652062. Its totient is φ = 977840000.

The previous prime is 1222300021. The next prime is 1222300031. The reversal of 1222300025 is 5200032221.

It can be written as a sum of positive squares in 3 ways, for example, as 657721 + 1221642304 = 811^2 + 34952^2 .

It is not a de Polignac number, because 1222300025 - 2² = 1222300021 is a prime.

It is a super-2 number, since 2×1222300025² = 2988034702230001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222299976 and 1222300012.

It is not an unprimeable number, because it can be changed into a prime (1222300021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24445976 + ... + 24446025.

It is an arithmetic number, because the mean of its divisors is an integer number (252608677).

Almost surely, 2^1222300025 is an apocalyptic number.

It is an amenable number.

1222300025 is a deficient number, since it is larger than the sum of its proper divisors (293352037).

1222300025 is an equidigital number, since it uses as much as digits as its factorization.

1222300025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48892011 (or 48892006 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1222300025 is about 34961.4076518667. The cubic root of 1222300025 is about 1069.2007963428.

Adding to 1222300025 its reverse (5200032221), we get a palindrome (6422332246).

The spelling of 1222300025 in words is "one billion, two hundred twenty-two million, three hundred thousand, twenty-five".