867222151 has 8 divisors (see below), whose sum is σ = 888229760. Its totient is φ = 846252792.

The previous prime is 867222137. The next prime is 867222163. The reversal of 867222151 is 151222768.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 867222151 - 2¹⁵ = 867189383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867222121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39310 + ... + 57268.

It is an arithmetic number, because the mean of its divisors is an integer number (111028720).

Almost surely, 2^867222151 is an apocalyptic number.

867222151 is a deficient number, since it is larger than the sum of its proper divisors (21007609).

867222151 is a wasteful number, since it uses less digits than its factorization.

867222151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19125.

The product of its digits is 13440, while the sum is 34.

The square root of 867222151 is about 29448.6358088112. The cubic root of 867222151 is about 953.6231544893.

The spelling of 867222151 in words is "eight hundred sixty-seven million, two hundred twenty-two thousand, one hundred fifty-one".