225196807902 has 32 divisors (see below), whose sum is σ = 492303864960. Its totient is φ = 68107377120.

The previous prime is 225196807897. The next prime is 225196807907. The reversal of 225196807902 is 209708691522.

It is an interprime number because it is at equal distance from previous prime (225196807897) and next prime (225196807907).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225196807907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3318148 + ... + 3385335.

It is an arithmetic number, because the mean of its divisors is an integer number (15384495780).

Almost surely, 2^225196807902 is an apocalyptic number.

225196807902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225196807902 is an abundant number, since it is smaller than the sum of its proper divisors (267107057058).

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

225196807902 is a wasteful number, since it uses less digits than its factorization.

225196807902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704008.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 225196807902 in words is "two hundred twenty-five billion, one hundred ninety-six million, eight hundred seven thousand, nine hundred two".