22124212045 has 16 divisors (see below), whose sum is σ = 28649561472. Its totient is φ = 16304581440.

The previous prime is 22124212001. The next prime is 22124212069. The reversal of 22124212045 is 54021242122.

It is a happy number.

It is not a de Polignac number, because 22124212045 - 2⁷ = 22124211917 is a prime.

It is a super-2 number, since 2×22124212045² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314697 + ... + 378526.

It is an arithmetic number, because the mean of its divisors is an integer number (1790597592).

Almost surely, 2^22124212045 is an apocalyptic number.

It is an amenable number.

22124212045 is a deficient number, since it is larger than the sum of its proper divisors (6525349427).

22124212045 is a wasteful number, since it uses less digits than its factorization.

22124212045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693732.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 22124212045 its reverse (54021242122), we get a palindrome (76145454167).

The spelling of 22124212045 in words is "twenty-two billion, one hundred twenty-four million, two hundred twelve thousand, forty-five".