2022221776 has 40 divisors (see below), whose sum is σ = 3990022400. Its totient is φ = 992684160.

The previous prime is 2022221713. The next prime is 2022221779. The reversal of 2022221776 is 6771222202.

It is a super-2 number, since 2×2022221776² = 8178761822657188352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022221779) 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, 224365 + ... + 233203.

It is an arithmetic number, because the mean of its divisors is an integer number (99750560).

Almost surely, 2^2022221776 is an apocalyptic number.

It is an amenable number.

2022221776 is a deficient number, since it is larger than the sum of its proper divisors (1967800624).

2022221776 is a wasteful number, since it uses less digits than its factorization.

2022221776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107 (or 9101 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2022221776 is about 44969.1202493444. The cubic root of 2022221776 is about 1264.5701541735.

Adding to 2022221776 its reverse (6771222202), we get a palindrome (8793443978).

It can be divided in two parts, 20 and 22221776, that added together give a square (22221796 = 4714²).

The spelling of 2022221776 in words is "two billion, twenty-two million, two hundred twenty-one thousand, seven hundred seventy-six".