22190455954 has 4 divisors (see below), whose sum is σ = 33285683934. Its totient is φ = 11095227976.

The previous prime is 22190455949. The next prime is 22190455981. The reversal of 22190455954 is 45955409122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13930372729 + 8260083225 = 118027^2 + 90885^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5547613987 + ... + 5547613990.

Almost surely, 2^22190455954 is an apocalyptic number.

22190455954 is a deficient number, since it is larger than the sum of its proper divisors (11095227980).

22190455954 is a wasteful number, since it uses less digits than its factorization.

22190455954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11095227979.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 22190455954 in words is "twenty-two billion, one hundred ninety million, four hundred fifty-five thousand, nine hundred fifty-four".