108219402 has 40 divisors (see below), whose sum is σ = 255261600. Its totient is φ = 34173576.

The previous prime is 108219401. The next prime is 108219431. The reversal of 108219402 is 204912801.

It is a super-2 number, since 2×108219402² = 23422877938475208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (108219401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14502 + ... + 20657.

It is an arithmetic number, because the mean of its divisors is an integer number (6381540).

Almost surely, 2^108219402 is an apocalyptic number.

108219402 is an abundant number, since it is smaller than the sum of its proper divisors (147042198).

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

108219402 is a wasteful number, since it uses less digits than its factorization.

108219402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35192 (or 35183 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 108219402 is about 10402.8554733785. The cubic root of 108219402 is about 476.5425779872.

The spelling of 108219402 in words is "one hundred eight million, two hundred nineteen thousand, four hundred two".