102244340 has 24 divisors (see below), whose sum is σ = 234232992. Its totient is φ = 37179680.

The previous prime is 102244327. The next prime is 102244349. The reversal of 102244340 is 43442201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102244349) 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, 232154 + ... + 232593.

It is an arithmetic number, because the mean of its divisors is an integer number (9759708).

Almost surely, 2^102244340 is an apocalyptic number.

102244340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102244340 is an abundant number, since it is smaller than the sum of its proper divisors (131988652).

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

102244340 is a wasteful number, since it uses less digits than its factorization.

102244340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464767 (or 464765 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 102244340 is about 10111.5943352174. The cubic root of 102244340 is about 467.6056592471.

Adding to 102244340 its reverse (43442201), we get a palindrome (145686541).

It can be divided in two parts, 102 and 244340, that added together give a palindrome (244442).

The spelling of 102244340 in words is "one hundred two million, two hundred forty-four thousand, three hundred forty".