90922567 has 2 divisors, whose sum is σ = 90922568. Its totient is φ = 90922566.

The previous prime is 90922553. The next prime is 90922589. The reversal of 90922567 is 76522909.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90922567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90922537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45461283 + 45461284.

It is an arithmetic number, because the mean of its divisors is an integer number (45461284).

Almost surely, 2^90922567 is an apocalyptic number.

90922567 is a deficient number, since it is larger than the sum of its proper divisors (1).

90922567 is an equidigital number, since it uses as much as digits as its factorization.

90922567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 90922567 is about 9535.3325584376. The cubic root of 90922567 is about 449.6665298995. Note that the first 3 decimals are identical.

The spelling of 90922567 in words is "ninety million, nine hundred twenty-two thousand, five hundred sixty-seven".