20222212331 has 8 divisors (see below), whose sum is σ = 20717910528. Its totient is φ = 19726632000.

The previous prime is 20222212319. The next prime is 20222212357. The reversal of 20222212331 is 13321222202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20222212331 - 2²² = 20218018027 is a prime.

It is a super-2 number, since 2×20222212331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

20222212331 is a modest number, since divided by 212331 gives 20222 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20222212831) 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, 390161 + ... + 438941.

It is an arithmetic number, because the mean of its divisors is an integer number (2589738816).

Almost surely, 2^20222212331 is an apocalyptic number.

20222212331 is a deficient number, since it is larger than the sum of its proper divisors (495698197).

20222212331 is a wasteful number, since it uses less digits than its factorization.

20222212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58933.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20222212331 its reverse (13321222202), we get a palindrome (33543434533).

The spelling of 20222212331 in words is "twenty billion, two hundred twenty-two million, two hundred twelve thousand, three hundred thirty-one".