222556143661643 has 32 divisors (see below), whose sum is σ = 249211260410112. Its totient is φ = 197001223372800.

The previous prime is 222556143661619. The next prime is 222556143661661. The reversal of 222556143661643 is 346166341655222.

It is not a de Polignac number, because 222556143661643 - 2²² = 222556139467339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222556143651643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577019048 + ... + 577404618.

It is an arithmetic number, because the mean of its divisors is an integer number (7787851887816).

Almost surely, 2^{222556143661643} is an apocalyptic number.

222556143661643 is a deficient number, since it is larger than the sum of its proper divisors (26655116748469).

222556143661643 is a wasteful number, since it uses less digits than its factorization.

222556143661643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389435.

The product of its digits is 37324800, while the sum is 56.

The spelling of 222556143661643 in words is "two hundred twenty-two trillion, five hundred fifty-six billion, one hundred forty-three million, six hundred sixty-one thousand, six hundred forty-three".