222142030655 has 4 divisors (see below), whose sum is σ = 266570436792. Its totient is φ = 177713624520.

The previous prime is 222142030631. The next prime is 222142030661. The reversal of 222142030655 is 556030241222.

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

It is not a de Polignac number, because 222142030655 - 2¹⁶ = 222141965119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22214203061 + ... + 22214203070.

It is an arithmetic number, because the mean of its divisors is an integer number (66642609198).

Almost surely, 2^222142030655 is an apocalyptic number.

222142030655 is a deficient number, since it is larger than the sum of its proper divisors (44428406137).

222142030655 is an equidigital number, since it uses as much as digits as its factorization.

222142030655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44428406136.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 222142030655 its reverse (556030241222), we get a palindrome (778172271877).

The spelling of 222142030655 in words is "two hundred twenty-two billion, one hundred forty-two million, thirty thousand, six hundred fifty-five".