22101025450 has 96 divisors (see below), whose sum is σ = 49089358080. Its totient is φ = 7238246400.

The previous prime is 22101025447. The next prime is 22101025487. The reversal of 22101025450 is 5452010122.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8217706 + ... + 8220394.

It is an arithmetic number, because the mean of its divisors is an integer number (511347480).

Almost surely, 2^22101025450 is an apocalyptic number.

22101025450 is an abundant number, since it is smaller than the sum of its proper divisors (26988332630).

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

22101025450 is a wasteful number, since it uses less digits than its factorization.

22101025450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752 (or 3747 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 22101025450 its reverse (5452010122), we get a palindrome (27553035572).

The spelling of 22101025450 in words is "twenty-two billion, one hundred one million, twenty-five thousand, four hundred fifty".