1622074077 has 24 divisors (see below), whose sum is σ = 2531891544. Its totient is φ = 994771584.

The previous prime is 1622074073. The next prime is 1622074093. The reversal of 1622074077 is 7704702261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 649944036 + 972130041 = 25494^2 + 31179^2 .

It is not a de Polignac number, because 1622074077 - 2² = 1622074073 is a prime.

It is a super-2 number, since 2×1622074077² = 5262248622550803858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622074073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10623 + ... + 57939.

It is an arithmetic number, because the mean of its divisors is an integer number (105495481).

Almost surely, 2^1622074077 is an apocalyptic number.

It is an amenable number.

1622074077 is a deficient number, since it is larger than the sum of its proper divisors (909817467).

1622074077 is a wasteful number, since it uses less digits than its factorization.

1622074077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47629 (or 47626 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 1622074077 is about 40274.9807821183. The cubic root of 1622074077 is about 1174.9612969295.

The spelling of 1622074077 in words is "one billion, six hundred twenty-two million, seventy-four thousand, seventy-seven".