862222061 has 2 divisors, whose sum is σ = 862222062. Its totient is φ = 862222060.

The previous prime is 862222027. The next prime is 862222069. The reversal of 862222061 is 160222268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850014025 + 12208036 = 29155^2 + 3494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-862222061 is a prime.

It is equal to p_44175701 and since 862222061 and 44175701 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (862222069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431111030 + 431111031.

It is an arithmetic number, because the mean of its divisors is an integer number (431111031).

Almost surely, 2^862222061 is an apocalyptic number.

It is an amenable number.

862222061 is a deficient number, since it is larger than the sum of its proper divisors (1).

862222061 is an equidigital number, since it uses as much as digits as its factorization.

862222061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 862222061 is about 29363.6179821220. The cubic root of 862222061 is about 951.7868718369.

The spelling of 862222061 in words is "eight hundred sixty-two million, two hundred twenty-two thousand, sixty-one".