102309722 has 8 divisors (see below), whose sum is σ = 155626272. Its totient is φ = 50434300.

The previous prime is 102309677. The next prime is 102309731. The reversal of 102309722 is 227903201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102309691 and 102309700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360104 + ... + 360387.

It is an arithmetic number, because the mean of its divisors is an integer number (19453284).

Almost surely, 2^102309722 is an apocalyptic number.

102309722 is a deficient number, since it is larger than the sum of its proper divisors (53316550).

102309722 is an equidigital number, since it uses as much as digits as its factorization.

102309722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720564.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 102309722 is about 10114.8268398426. The cubic root of 102309722 is about 467.7053109857.

The spelling of 102309722 in words is "one hundred two million, three hundred nine thousand, seven hundred twenty-two".