25222580000 has 90 divisors (see below), whose sum is σ = 62106634359. Its totient is φ = 10080048000.

The previous prime is 25222579981. The next prime is 25222580017. The reversal of 25222580000 is 8522252.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 5831460496 + 19391119504 = 76364^2 + 139252^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=112300.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 22459439 + ... + 22460561.

Almost surely, 2^25222580000 is an apocalyptic number.

25222580000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25222580000

25222580000 is an abundant number, since it is smaller than the sum of its proper divisors (36884054359).

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

25222580000 is an frugal number, since it uses more digits than its factorization.

25222580000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Multiplying 25222580000 by its product of nonzero digits (3200), we get a square (80712256000000 = 8984000²).

The spelling of 25222580000 in words is "twenty-five billion, two hundred twenty-two million, five hundred eighty thousand".