90222031033221 has 8 divisors (see below), whose sum is σ = 121745391274080. Its totient is φ = 59423345740592.

The previous prime is 90222031033219. The next prime is 90222031033361. The reversal of 90222031033221 is 12233013022209.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90222031033221 - 2¹ = 90222031033219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90222031233221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181168736766 + ... + 181168737263.

It is an arithmetic number, because the mean of its divisors is an integer number (15218173909260).

Almost surely, 2^{90222031033221} is an apocalyptic number.

It is an amenable number.

90222031033221 is a deficient number, since it is larger than the sum of its proper divisors (31523360240859).

90222031033221 is a wasteful number, since it uses less digits than its factorization.

90222031033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362337474115.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 90222031033221 in words is "ninety trillion, two hundred twenty-two billion, thirty-one million, thirty-three thousand, two hundred twenty-one".