22031322045 has 32 divisors (see below), whose sum is σ = 35911378944. Its totient is φ = 11531496000.

The previous prime is 22031322037. The next prime is 22031322083. The reversal of 22031322045 is 54022313022.

It is not a de Polignac number, because 22031322045 - 2³ = 22031322037 is a prime.

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, 129400 + ... + 246590.

It is an arithmetic number, because the mean of its divisors is an integer number (1122230592).

Almost surely, 2^22031322045 is an apocalyptic number.

It is an amenable number.

22031322045 is a deficient number, since it is larger than the sum of its proper divisors (13880056899).

22031322045 is a wasteful number, since it uses less digits than its factorization.

22031322045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117433.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22031322045 its reverse (54022313022), we get a palindrome (76053635067).

The spelling of 22031322045 in words is "twenty-two billion, thirty-one million, three hundred twenty-two thousand, forty-five".