90032202122 has 4 divisors (see below), whose sum is σ = 135048303186. Its totient is φ = 45016101060.

The previous prime is 90032202119. The next prime is 90032202151. The reversal of 90032202122 is 22120223009.

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

It can be written as a sum of positive squares in only one way, i.e., 89705641081 + 326561041 = 299509^2 + 18071^2 .

It is a super-2 number, since 2×90032202122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22508050529 + ... + 22508050532.

Almost surely, 2^90032202122 is an apocalyptic number.

90032202122 is a deficient number, since it is larger than the sum of its proper divisors (45016101064).

90032202122 is a wasteful number, since it uses less digits than its factorization.

90032202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45016101063.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 90032202122 in words is "ninety billion, thirty-two million, two hundred two thousand, one hundred twenty-two".