622894 has 4 divisors (see below), whose sum is σ = 934344. Its totient is φ = 311446.

The previous prime is 622889. The next prime is 622901. The reversal of 622894 is 498226.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155722 + ... + 155725.

It is an arithmetic number, because the mean of its divisors is an integer number (233586).

2⁶²²⁸⁹⁴ is an apocalyptic number.

622894 is a deficient number, since it is larger than the sum of its proper divisors (311450).

622894 is a wasteful number, since it uses less digits than its factorization.

622894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311449.

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

The square root of 622894 is about 789.2363397614. The cubic root of 622894 is about 85.4026570189.

The spelling of 622894 in words is "six hundred twenty-two thousand, eight hundred ninety-four".