8137222 has 4 divisors (see below), whose sum is σ = 12205836. Its totient is φ = 4068610.

The previous prime is 8137219. The next prime is 8137223. The reversal of 8137222 is 2227318.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8137223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034304 + ... + 2034307.

It is an arithmetic number, because the mean of its divisors is an integer number (3051459).

Almost surely, 2^8137222 is an apocalyptic number.

8137222 is a deficient number, since it is larger than the sum of its proper divisors (4068614).

8137222 is a wasteful number, since it uses less digits than its factorization.

8137222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068613.

The product of its digits is 1344, while the sum is 25.

The square root of 8137222 is about 2852.5816377450. The cubic root of 8137222 is about 201.1370401153.

The spelling of 8137222 in words is "eight million, one hundred thirty-seven thousand, two hundred twenty-two".