10022505550 has 72 divisors (see below), whose sum is σ = 20083915440. Its totient is φ = 3719654400.

The previous prime is 10022505547. The next prime is 10022505583. The reversal of 10022505550 is 5550522001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1021066 + ... + 1030834.

It is an arithmetic number, because the mean of its divisors is an integer number (278943270).

Almost surely, 2^10022505550 is an apocalyptic number.

10022505550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10022505550 is an abundant number, since it is smaller than the sum of its proper divisors (10061409890).

10022505550 is a wasteful number, since it uses less digits than its factorization.

10022505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886 (or 9864 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The spelling of 10022505550 in words is "ten billion, twenty-two million, five hundred five thousand, five hundred fifty".