74022287 has 2 divisors, whose sum is σ = 74022288. Its totient is φ = 74022286.

The previous prime is 74022281. The next prime is 74022383. The reversal of 74022287 is 78222047.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74022287 - 2⁸ = 74022031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74022281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37011143 + 37011144.

It is an arithmetic number, because the mean of its divisors is an integer number (37011144).

Almost surely, 2^74022287 is an apocalyptic number.

74022287 is a deficient number, since it is larger than the sum of its proper divisors (1).

74022287 is an equidigital number, since it uses as much as digits as its factorization.

74022287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 74022287 is about 8603.6205750835. The cubic root of 74022287 is about 419.8757890442.

The spelling of 74022287 in words is "seventy-four million, twenty-two thousand, two hundred eighty-seven".