1260222725 has 12 divisors (see below), whose sum is σ = 1584084996. Its totient is φ = 994366080.

The previous prime is 1260222721. The next prime is 1260222731. The reversal of 1260222725 is 5272220621.

It can be written as a sum of positive squares in 6 ways, for example, as 271623361 + 988599364 = 16481^2 + 31442^2 .

It is not a de Polignac number, because 1260222725 - 2² = 1260222721 is a prime.

It is a super-2 number, since 2×1260222725² = 3176322633212851250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260222721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343442 + ... + 347091.

It is an arithmetic number, because the mean of its divisors is an integer number (132007083).

Almost surely, 2^1260222725 is an apocalyptic number.

It is an amenable number.

1260222725 is a deficient number, since it is larger than the sum of its proper divisors (323862271).

1260222725 is an equidigital number, since it uses as much as digits as its factorization.

1260222725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690616 (or 690611 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1260222725 is about 35499.6158429919. The cubic root of 1260222725 is about 1080.1459350693.

The spelling of 1260222725 in words is "one billion, two hundred sixty million, two hundred twenty-two thousand, seven hundred twenty-five".