86356222 has 4 divisors (see below), whose sum is σ = 129534336. Its totient is φ = 43178110.

The previous prime is 86356219. The next prime is 86356247. The reversal of 86356222 is 22265368.

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

It is a super-2 number, since 2×86356222² = 14914794156226568, which contains 22 as substring.

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, 21589054 + ... + 21589057.

It is an arithmetic number, because the mean of its divisors is an integer number (32383584).

Almost surely, 2^86356222 is an apocalyptic number.

86356222 is a deficient number, since it is larger than the sum of its proper divisors (43178114).

86356222 is a wasteful number, since it uses less digits than its factorization.

86356222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43178113.

The product of its digits is 34560, while the sum is 34.

The square root of 86356222 is about 9292.8048510662. The cubic root of 86356222 is about 442.0091007729.

The spelling of 86356222 in words is "eighty-six million, three hundred fifty-six thousand, two hundred twenty-two".