20222031 has 8 divisors (see below), whose sum is σ = 26987904. Its totient is φ = 13468760.

The previous prime is 20222021. The next prime is 20222047. The reversal of 20222031 is 13022202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222031 is a prime.

It is a super-2 number, since 2×20222031² = 817861075529922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20221998 and 20222016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636 + ... + 6566.

It is an arithmetic number, because the mean of its divisors is an integer number (3373488).

Almost surely, 2^20222031 is an apocalyptic number.

20222031 is a deficient number, since it is larger than the sum of its proper divisors (6765873).

20222031 is a wasteful number, since it uses less digits than its factorization.

20222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20222031 is about 4496.8912595259. The cubic root of 20222031 is about 272.4425421038.

Adding to 20222031 its reverse (13022202), we get a palindrome (33244233).

The spelling of 20222031 in words is "twenty million, two hundred twenty-two thousand, thirty-one".