1225534329 has 12 divisors (see below), whose sum is σ = 1771730532. Its totient is φ = 816324000.

The previous prime is 1225534309. The next prime is 1225534339. The reversal of 1225534329 is 9234355221.

It can be written as a sum of positive squares in 2 ways, for example, as 1012957929 + 212576400 = 31827^2 + 14580^2 .

It is not a de Polignac number, because 1225534329 - 2⁷ = 1225534201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225534293 and 1225534302.

It is not an unprimeable number, because it can be changed into a prime (1225534309) 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, 47022 + ... + 68279.

It is an arithmetic number, because the mean of its divisors is an integer number (147644211).

Almost surely, 2^1225534329 is an apocalyptic number.

It is an amenable number.

1225534329 is a deficient number, since it is larger than the sum of its proper divisors (546196203).

1225534329 is a wasteful number, since it uses less digits than its factorization.

1225534329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116488 (or 116485 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1225534329 is about 35007.6324392267. The cubic root of 1225534329 is about 1070.1430294724.

The spelling of 1225534329 in words is "one billion, two hundred twenty-five million, five hundred thirty-four thousand, three hundred twenty-nine".