22022020242 has 24 divisors (see below), whose sum is σ = 47928351744. Its totient is φ = 7307754264.

The previous prime is 22022020213. The next prime is 22022020271. The reversal of 22022020242 is 24202022022.

It is a happy number.

22022020242 is a `hidden beast` number, since 220 + 2 + 202 + 0 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (22022020213) and next prime (22022020271).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2739138 + ... + 2747165.

It is an arithmetic number, because the mean of its divisors is an integer number (1997014656).

Almost surely, 2^22022020242 is an apocalyptic number.

22022020242 is an abundant number, since it is smaller than the sum of its proper divisors (25906331502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22022020242 is a wasteful number, since it uses less digits than its factorization.

22022020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486534 (or 5486531 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22022020242 its reverse (24202022022), we get a palindrome (46224042264).

The spelling of 22022020242 in words is "twenty-two billion, twenty-two million, twenty thousand, two hundred forty-two".