2022370778 has 4 divisors (see below), whose sum is σ = 3033556170. Its totient is φ = 1011185388.

The previous prime is 2022370771. The next prime is 2022370793. The reversal of 2022370778 is 8770732202.

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

It can be written as a sum of positive squares in only one way, i.e., 1611781609 + 410589169 = 40147^2 + 20263^2 .

It is not an unprimeable number, because it can be changed into a prime (2022370771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505592693 + ... + 505592696.

Almost surely, 2^2022370778 is an apocalyptic number.

2022370778 is a deficient number, since it is larger than the sum of its proper divisors (1011185392).

2022370778 is a wasteful number, since it uses less digits than its factorization.

2022370778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011185391.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 2022370778 is about 44970.7769334709. The cubic root of 2022370778 is about 1264.6012122333.

The spelling of 2022370778 in words is "two billion, twenty-two million, three hundred seventy thousand, seven hundred seventy-eight".