2074222081 has 4 divisors (see below), whose sum is σ = 2074372164. Its totient is φ = 2074072000.

The previous prime is 2074222069. The next prime is 2074222091. The reversal of 2074222081 is 1802224702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1802224702 = 2 ⋅901112351.

It can be written as a sum of positive squares in 2 ways, for example, as 957593025 + 1116629056 = 30945^2 + 33416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2074222081 - 2⁵ = 2074222049 is a prime.

It is a super-2 number, since 2×2074222081² = 8604794482615941122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2074222061) 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, 51940 + ... + 82741.

It is an arithmetic number, because the mean of its divisors is an integer number (518593041).

Almost surely, 2^2074222081 is an apocalyptic number.

It is an amenable number.

2074222081 is a deficient number, since it is larger than the sum of its proper divisors (150083).

2074222081 is a wasteful number, since it uses less digits than its factorization.

2074222081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150082.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 2074222081 is about 45543.6283249370. The cubic root of 2074222081 is about 1275.3177895026.

Adding to 2074222081 its reverse (1802224702), we get a palindrome (3876446783).

The spelling of 2074222081 in words is "two billion, seventy-four million, two hundred twenty-two thousand, eighty-one".