88222309421 has 4 divisors (see below), whose sum is σ = 93411857052. Its totient is φ = 83032761792.

The previous prime is 88222309403. The next prime is 88222309517. The reversal of 88222309421 is 12490322288.

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 28155162025 + 60067147396 = 167795^2 + 245086^2 .

It is a cyclic number.

It is not a de Polignac number, because 88222309421 - 2¹⁴ = 88222293037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88222300421) 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, 2594773790 + ... + 2594773823.

It is an arithmetic number, because the mean of its divisors is an integer number (23352964263).

Almost surely, 2^88222309421 is an apocalyptic number.

It is an amenable number.

88222309421 is a deficient number, since it is larger than the sum of its proper divisors (5189547631).

88222309421 is a wasteful number, since it uses less digits than its factorization.

88222309421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189547630.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 88222309421 in words is "eighty-eight billion, two hundred twenty-two million, three hundred nine thousand, four hundred twenty-one".