102222397439 has 8 divisors (see below), whose sum is σ = 107748144000. Its totient is φ = 96711212952.

The previous prime is 102222397391. The next prime is 102222397447. The reversal of 102222397439 is 934793222201.

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 a de Polignac number, because none of the positive numbers 2^k-102222397439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102222397439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222397489) 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, 3626099 + ... + 3654180.

It is an arithmetic number, because the mean of its divisors is an integer number (13468518000).

Almost surely, 2^102222397439 is an apocalyptic number.

102222397439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

102222397439 is a deficient number, since it is larger than the sum of its proper divisors (5525746561).

102222397439 is an equidigital number, since it uses as much as digits as its factorization.

102222397439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281037.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 102222397439 in words is "one hundred two billion, two hundred twenty-two million, three hundred ninety-seven thousand, four hundred thirty-nine".