2221554350422 has 32 divisors (see below), whose sum is σ = 3775559445504. Its totient is φ = 971228037600.

The previous prime is 2221554350381. The next prime is 2221554350443. The reversal of 2221554350422 is 2240534551222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9880893 + ... + 10103224.

It is an arithmetic number, because the mean of its divisors is an integer number (117986232672).

Almost surely, 2^{2221554350422} is an apocalyptic number.

2221554350422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221554350422 is a deficient number, since it is larger than the sum of its proper divisors (1554005095082).

2221554350422 is a wasteful number, since it uses less digits than its factorization.

2221554350422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19984324.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 2221554350422 in words is "two trillion, two hundred twenty-one billion, five hundred fifty-four million, three hundred fifty thousand, four hundred twenty-two".