8221077 has 12 divisors (see below), whose sum is σ = 11905920. Its totient is φ = 5466408.

The previous prime is 8221069. The next prime is 8221111. The reversal of 8221077 is 7701228.

It is not a de Polignac number, because 8221077 - 2³ = 8221069 is a prime.

It is a super-2 number, since 2×8221077² = 135172214079858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8221077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3358 + ... + 5264.

It is an arithmetic number, because the mean of its divisors is an integer number (992160).

Almost surely, 2^8221077 is an apocalyptic number.

It is an amenable number.

8221077 is a deficient number, since it is larger than the sum of its proper divisors (3684843).

8221077 is a wasteful number, since it uses less digits than its factorization.

8221077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 8221077 is about 2867.2420546581. The cubic root of 8221077 is about 201.8255936694.

The spelling of 8221077 in words is "eight million, two hundred twenty-one thousand, seventy-seven".