222401256604642 has 16 divisors (see below), whose sum is σ = 341557983296640. Its totient is φ = 108560514755088.

The previous prime is 222401256604627. The next prime is 222401256604643. The reversal of 222401256604642 is 246406652104222.

It is a junction number, because it is equal to n+sod(n) for n = 222401256604592 and 222401256604601.

It is not an unprimeable number, because it can be changed into a prime (222401256604643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2979774792 + ... + 2979849427.

It is an arithmetic number, because the mean of its divisors is an integer number (21347373956040).

Almost surely, 2^{222401256604642} is an apocalyptic number.

222401256604642 is a deficient number, since it is larger than the sum of its proper divisors (119156726691998).

222401256604642 is a wasteful number, since it uses less digits than its factorization.

222401256604642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959624665.

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 222401256604642 in words is "two hundred twenty-two trillion, four hundred one billion, two hundred fifty-six million, six hundred four thousand, six hundred forty-two".