1225410402 has 8 divisors (see below), whose sum is σ = 2450820816. Its totient is φ = 408470132.

The previous prime is 1225410397. The next prime is 1225410413. The reversal of 1225410402 is 2040145221.

It is a sphenic number, since it is the product of 3 distinct primes.

1225410402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102117528 + ... + 102117539.

It is an arithmetic number, because the mean of its divisors is an integer number (306352602).

Almost surely, 2^1225410402 is an apocalyptic number.

1225410402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225410402 is a wasteful number, since it uses less digits than its factorization.

1225410402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204235072.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1225410402 is about 35005.8623947475. The cubic root of 1225410402 is about 1070.1069570201.

Adding to 1225410402 its reverse (2040145221), we get a palindrome (3265555623).

The spelling of 1225410402 in words is "one billion, two hundred twenty-five million, four hundred ten thousand, four hundred two".