2122280318 has 4 divisors (see below), whose sum is σ = 3183420480. Its totient is φ = 1061140158.

The previous prime is 2122280317. The next prime is 2122280359. The reversal of 2122280318 is 8130822212.

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

It is a super-2 number, since 2×2122280318² = 9008147496340362248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122280317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530570078 + ... + 530570081.

It is an arithmetic number, because the mean of its divisors is an integer number (795855120).

Almost surely, 2^2122280318 is an apocalyptic number.

2122280318 is a deficient number, since it is larger than the sum of its proper divisors (1061140162).

2122280318 is a wasteful number, since it uses less digits than its factorization.

2122280318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061140161.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2122280318 is about 46068.2137487444. The cubic root of 2122280318 is about 1285.0920852317.

The spelling of 2122280318 in words is "two billion, one hundred twenty-two million, two hundred eighty thousand, three hundred eighteen".