1226426525 has 6 divisors (see below), whose sum is σ = 1520768922. Its totient is φ = 981141200.

The previous prime is 1226426483. The next prime is 1226426543. The reversal of 1226426525 is 5256246221.

It can be written as a sum of positive squares in 3 ways, for example, as 93296281 + 1133130244 = 9659^2 + 33662^2 .

It is not a de Polignac number, because 1226426525 - 2¹² = 1226422429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24528506 + ... + 24528555.

It is an arithmetic number, because the mean of its divisors is an integer number (253461487).

Almost surely, 2^1226426525 is an apocalyptic number.

It is an amenable number.

1226426525 is a deficient number, since it is larger than the sum of its proper divisors (294342397).

1226426525 is an equidigital number, since it uses as much as digits as its factorization.

1226426525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49057071 (or 49057066 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 1226426525 is about 35020.3729991558. The cubic root of 1226426525 is about 1070.4026565610.

The spelling of 1226426525 in words is "one billion, two hundred twenty-six million, four hundred twenty-six thousand, five hundred twenty-five".