622498 has 8 divisors (see below), whose sum is σ = 937260. Its totient is φ = 310080.

The previous prime is 622493. The next prime is 622513. The reversal of 622498 is 894226.

It can be written as a sum of positive squares in 2 ways, for example, as 613089 + 9409 = 783^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (622493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438 + ... + 1198.

2⁶²²⁴⁹⁸ is an apocalyptic number.

622498 is a deficient number, since it is larger than the sum of its proper divisors (314762).

622498 is a wasteful number, since it uses less digits than its factorization.

622498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172.

The product of its digits is 6912, while the sum is 31.

The square root of 622498 is about 788.9854244535. The cubic root of 622498 is about 85.3845551580.

The spelling of 622498 in words is "six hundred twenty-two thousand, four hundred ninety-eight".