2220973837 has 2 divisors, whose sum is σ = 2220973838. Its totient is φ = 2220973836.

The previous prime is 2220973829. The next prime is 2220973871. The reversal of 2220973837 is 7383790222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1435348996 + 785624841 = 37886^2 + 28029^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220973837 - 2³ = 2220973829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220973793 and 2220973802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220970837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110486918 + 1110486919.

It is an arithmetic number, because the mean of its divisors is an integer number (1110486919).

Almost surely, 2^2220973837 is an apocalyptic number.

It is an amenable number.

2220973837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220973837 is an equidigital number, since it uses as much as digits as its factorization.

2220973837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2220973837 is about 47127.2090941104. The cubic root of 2220973837 is about 1304.7114714709.

The spelling of 2220973837 in words is "two billion, two hundred twenty million, nine hundred seventy-three thousand, eight hundred thirty-seven".