216703122 has 16 divisors (see below), whose sum is σ = 443977632. Its totient is φ = 70472480.

The previous prime is 216703073. The next prime is 216703127. The reversal of 216703122 is 221307612.

It is a junction number, because it is equal to n+sod(n) for n = 216703092 and 216703101.

It is not an unprimeable number, because it can be changed into a prime (216703127) 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, 440208 + ... + 440699.

It is an arithmetic number, because the mean of its divisors is an integer number (27748602).

Almost surely, 2^216703122 is an apocalyptic number.

216703122 is an abundant number, since it is smaller than the sum of its proper divisors (227274510).

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

216703122 is a wasteful number, since it uses less digits than its factorization.

216703122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880953.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 216703122 is about 14720.8397178965. The cubic root of 216703122 is about 600.6503337442.

The spelling of 216703122 in words is "two hundred sixteen million, seven hundred three thousand, one hundred twenty-two".