868622 has 4 divisors (see below), whose sum is σ = 1302936. Its totient is φ = 434310.

The previous prime is 868613. The next prime is 868639. The reversal of 868622 is 226868.

It is a happy number.

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, 217154 + ... + 217157.

It is an arithmetic number, because the mean of its divisors is an integer number (325734).

2⁸⁶⁸⁶²² is an apocalyptic number.

868622 is a deficient number, since it is larger than the sum of its proper divisors (434314).

868622 is a wasteful number, since it uses less digits than its factorization.

868622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434313.

The product of its digits is 9216, while the sum is 32.

The square root of 868622 is about 931.9989270380. The cubic root of 868622 is about 95.4135983792.

The spelling of 868622 in words is "eight hundred sixty-eight thousand, six hundred twenty-two".