2622172148 has 6 divisors (see below), whose sum is σ = 4588801266. Its totient is φ = 1311086072.

The previous prime is 2622172139. The next prime is 2622172153. The reversal of 2622172148 is 8412712262.

It can be written as a sum of positive squares in only one way, i.e., 1814930404 + 807241744 = 42602^2 + 28412^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 327771515 + ... + 327771522.

It is an arithmetic number, because the mean of its divisors is an integer number (764800211).

Almost surely, 2^2622172148 is an apocalyptic number.

It is an amenable number.

2622172148 is a deficient number, since it is larger than the sum of its proper divisors (1966629118).

2622172148 is a wasteful number, since it uses less digits than its factorization.

2622172148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655543041 (or 655543039 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 2622172148 is about 51207.1493836554. The cubic root of 2622172148 is about 1378.9665559680.

The spelling of 2622172148 in words is "two billion, six hundred twenty-two million, one hundred seventy-two thousand, one hundred forty-eight".