2291244421922 has 16 divisors (see below), whose sum is σ = 3438825412320. Its totient is φ = 1144969442208.

The previous prime is 2291244421877. The next prime is 2291244421927.

It is a happy number.

2291244421922 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2291244421927) 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, 32820638 + ... + 32890374.

It is an arithmetic number, because the mean of its divisors is an integer number (214926588270).

Almost surely, 2^{2291244421922} is an apocalyptic number.

2291244421922 is a deficient number, since it is larger than the sum of its proper divisors (1147580990398).

2291244421922 is a wasteful number, since it uses less digits than its factorization.

2291244421922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78865.

The product of its digits is 331776, while the sum is 44.

The spelling of 2291244421922 in words is "two trillion, two hundred ninety-one billion, two hundred forty-four million, four hundred twenty-one thousand, nine hundred twenty-two".