88226840421 has 6 divisors (see below), whose sum is σ = 127438769510. Its totient is φ = 58817893608.

The previous prime is 88226840411. The next prime is 88226840491. The reversal of 88226840421 is 12404862288.

It can be written as a sum of positive squares in only one way, i.e., 57989456100 + 30237384321 = 240810^2 + 173889^2 .

It is not a de Polignac number, because 88226840421 - 2¹³ = 88226832229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88226840411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4901491126 + ... + 4901491143.

Almost surely, 2^88226840421 is an apocalyptic number.

It is an amenable number.

88226840421 is a deficient number, since it is larger than the sum of its proper divisors (39211929089).

88226840421 is a wasteful number, since it uses less digits than its factorization.

88226840421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9802982275 (or 9802982272 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 88226840421 in words is "eighty-eight billion, two hundred twenty-six million, eight hundred forty thousand, four hundred twenty-one".