20222423344 has 20 divisors (see below), whose sum is σ = 39732791760. Its totient is φ = 9968799680.

The previous prime is 20222423339. The next prime is 20222423381. The reversal of 20222423344 is 44332422202.

It is a happy number.

It is a super-2 number, since 2×20222423344² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8899579 + ... + 8901850.

It is an arithmetic number, because the mean of its divisors is an integer number (1986639588).

Almost surely, 2^20222423344 is an apocalyptic number.

It is an amenable number.

20222423344 is a deficient number, since it is larger than the sum of its proper divisors (19510368416).

20222423344 is a wasteful number, since it uses less digits than its factorization.

20222423344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801508 (or 17801502 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20222423344 its reverse (44332422202), we get a palindrome (64554845546).

The spelling of 20222423344 in words is "twenty billion, two hundred twenty-two million, four hundred twenty-three thousand, three hundred forty-four".