90221272633 has 8 divisors (see below), whose sum is σ = 92330381088. Its totient is φ = 88112661504.

The previous prime is 90221272553. The next prime is 90221272649. The reversal of 90221272633 is 33627212209.

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 90221272633 - 2¹⁷ = 90221141561 is a prime.

It is a super-2 number, since 2×90221272633² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90221272592 and 90221272601.

It is not an unprimeable number, because it can be changed into a prime (90221276633) 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, 256185 + ... + 496057.

It is an arithmetic number, because the mean of its divisors is an integer number (11541297636).

Almost surely, 2^90221272633 is an apocalyptic number.

It is an amenable number.

90221272633 is a deficient number, since it is larger than the sum of its proper divisors (2109108455).

90221272633 is a wasteful number, since it uses less digits than its factorization.

90221272633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248663.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 90221272633 in words is "ninety billion, two hundred twenty-one million, two hundred seventy-two thousand, six hundred thirty-three".