235222987 has 2 divisors, whose sum is σ = 235222988. Its totient is φ = 235222986.

The previous prime is 235222979. The next prime is 235223003. The reversal of 235222987 is 789222532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235222987 - 2³ = 235222979 is a prime.

It is a super-2 number, since 2×235222987² = 110659707226404338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (235223987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117611493 + 117611494.

It is an arithmetic number, because the mean of its divisors is an integer number (117611494).

Almost surely, 2^235222987 is an apocalyptic number.

235222987 is a deficient number, since it is larger than the sum of its proper divisors (1).

235222987 is an equidigital number, since it uses as much as digits as its factorization.

235222987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 235222987 is about 15336.9810262646. The cubic root of 235222987 is about 617.2957025487.

The spelling of 235222987 in words is "two hundred thirty-five million, two hundred twenty-two thousand, nine hundred eighty-seven".