22198405632 has 160 divisors (see below), whose sum is σ = 64407752640. Its totient is φ = 6752993280.

The previous prime is 22198405609. The next prime is 22198405643. The reversal of 22198405632 is 23650489122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770907 + ... + 1783397.

It is an arithmetic number, because the mean of its divisors is an integer number (402548454).

Almost surely, 2^22198405632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22198405632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32203876320).

22198405632 is an abundant number, since it is smaller than the sum of its proper divisors (42209347008).

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

22198405632 is a wasteful number, since it uses less digits than its factorization.

22198405632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614 (or 12598 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 22198405632 in words is "twenty-two billion, one hundred ninety-eight million, four hundred five thousand, six hundred thirty-two".