139227822 has 24 divisors (see below), whose sum is σ = 312833976. Its totient is φ = 46409112.

The previous prime is 139227797. The next prime is 139227833. The reversal of 139227822 is 228722931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142753 + ... + 143724.

It is an arithmetic number, because the mean of its divisors is an integer number (13034749).

Almost surely, 2^139227822 is an apocalyptic number.

139227822 is an abundant number, since it is smaller than the sum of its proper divisors (173606154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139227822 is an equidigital number, since it uses as much as digits as its factorization.

139227822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286494 (or 286482 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 139227822 is about 11799.4839717676. The cubic root of 139227822 is about 518.2929997140.

The spelling of 139227822 in words is "one hundred thirty-nine million, two hundred twenty-seven thousand, eight hundred twenty-two".