90222824009 has 4 divisors (see below), whose sum is σ = 90242609940. Its totient is φ = 90203038080.

The previous prime is 90222823981. The next prime is 90222824039. The reversal of 90222824009 is 90042822209.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19282099600 + 70940724409 = 138860^2 + 266347^2 .

It is a cyclic number.

It is not a de Polignac number, because 90222824009 - 2²⁴ = 90206046793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90222824039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9886124 + ... + 9895245.

It is an arithmetic number, because the mean of its divisors is an integer number (22560652485).

Almost surely, 2^90222824009 is an apocalyptic number.

It is an amenable number.

90222824009 is a deficient number, since it is larger than the sum of its proper divisors (19785931).

90222824009 is a wasteful number, since it uses less digits than its factorization.

90222824009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19785930.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 90222824009 in words is "ninety billion, two hundred twenty-two million, eight hundred twenty-four thousand, nine".