22010221031 has 4 divisors (see below), whose sum is σ = 22769194200. Its totient is φ = 21251247864.

The previous prime is 22010221007. The next prime is 22010221039. The reversal of 22010221031 is 13012201022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22010221031 - 2³⁴ = 4830351847 is a prime.

It is a super-2 number, since 2×22010221031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22010220997 and 22010221015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010221039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379486541 + ... + 379486598.

It is an arithmetic number, because the mean of its divisors is an integer number (5692298550).

Almost surely, 2^22010221031 is an apocalyptic number.

22010221031 is a deficient number, since it is larger than the sum of its proper divisors (758973169).

22010221031 is an equidigital number, since it uses as much as digits as its factorization.

22010221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758973168.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22010221031 its reverse (13012201022), we get a palindrome (35022422053).

The spelling of 22010221031 in words is "twenty-two billion, ten million, two hundred twenty-one thousand, thirty-one".