22070807021 has 8 divisors (see below), whose sum is σ = 22322907264. Its totient is φ = 21819208320.

The previous prime is 22070806973. The next prime is 22070807023. The reversal of 22070807021 is 12070807022.

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 22070807021 - 2¹⁰ = 22070805997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22070807023) 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, 36515 + ... + 213248.

It is an arithmetic number, because the mean of its divisors is an integer number (2790363408).

Almost surely, 2^22070807021 is an apocalyptic number.

It is an amenable number.

22070807021 is a deficient number, since it is larger than the sum of its proper divisors (252100243).

22070807021 is an equidigital number, since it uses as much as digits as its factorization.

22070807021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250771.

The product of its (nonzero) digits is 3136, while the sum is 29.

Subtracting from 22070807021 its reverse (12070807022), we obtain a palindrome (9999999999).

The spelling of 22070807021 in words is "twenty-two billion, seventy million, eight hundred seven thousand, twenty-one".