222445730192690 has 64 divisors (see below), whose sum is σ = 402683856820992. Its totient is φ = 88472119276800.

The previous prime is 222445730192659. The next prime is 222445730192701. The reversal of 222445730192690 is 96291037544222.

222445730192690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222445730192690² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23116043219 + ... + 23116052841.

It is an arithmetic number, because the mean of its divisors is an integer number (6291935262828).

Almost surely, 2^{222445730192690} is an apocalyptic number.

222445730192690 is a deficient number, since it is larger than the sum of its proper divisors (180238126628302).

222445730192690 is a wasteful number, since it uses less digits than its factorization.

222445730192690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19155.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 222445730192690 in words is "two hundred twenty-two trillion, four hundred forty-five billion, seven hundred thirty million, one hundred ninety-two thousand, six hundred ninety".