2291722123222 has 64 divisors (see below), whose sum is σ = 4200481152000. Its totient is φ = 916328286720.

The previous prime is 2291722123139. The next prime is 2291722123247. The reversal of 2291722123222 is 2223212271922.

2291722123222 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 2×2291722123222² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 61357429 + ... + 61394767.

It is an arithmetic number, because the mean of its divisors is an integer number (65632518000).

Almost surely, 2^{2291722123222} is an apocalyptic number.

2291722123222 is a deficient number, since it is larger than the sum of its proper divisors (1908759028778).

2291722123222 is a wasteful number, since it uses less digits than its factorization.

2291722123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42061.

The product of its digits is 48384, while the sum is 37.

The spelling of 2291722123222 in words is "two trillion, two hundred ninety-one billion, seven hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty-two".