222151463 has 2 divisors, whose sum is σ = 222151464. Its totient is φ = 222151462.

The previous prime is 222151453. The next prime is 222151471. The reversal of 222151463 is 364151222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222151463 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222151453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111075731 + 111075732.

It is an arithmetic number, because the mean of its divisors is an integer number (111075732).

Almost surely, 2^222151463 is an apocalyptic number.

222151463 is a deficient number, since it is larger than the sum of its proper divisors (1).

222151463 is an equidigital number, since it uses as much as digits as its factorization.

222151463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 222151463 is about 14904.7463245773. The cubic root of 222151463 is about 605.6425684327.

The spelling of 222151463 in words is "two hundred twenty-two million, one hundred fifty-one thousand, four hundred sixty-three".