622148 has 6 divisors (see below), whose sum is σ = 1088766. Its totient is φ = 311072.

The previous prime is 622133. The next prime is 622151. The reversal of 622148 is 841226.

622148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 565504 + 56644 = 752^2 + 238^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77765 + ... + 77772.

It is an arithmetic number, because the mean of its divisors is an integer number (181461).

2⁶²²¹⁴⁸ is an apocalyptic number.

It is an amenable number.

622148 is a deficient number, since it is larger than the sum of its proper divisors (466618).

622148 is a wasteful number, since it uses less digits than its factorization.

622148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155541 (or 155539 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 622148 is about 788.7635894233. The cubic root of 622148 is about 85.3685496464.

The spelling of 622148 in words is "six hundred twenty-two thousand, one hundred forty-eight".