102230436 has 192 divisors, whose sum is σ = 317915136. Its totient is φ = 24796800.

The previous prime is 102230413. The next prime is 102230437. The reversal of 102230436 is 634032201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (102230437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1231651 + ... + 1231733.

It is an arithmetic number, because the mean of its divisors is an integer number (1655808).

Almost surely, 2^102230436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102230436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158957568).

102230436 is an abundant number, since it is smaller than the sum of its proper divisors (215684700).

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

102230436 is a wasteful number, since it uses less digits than its factorization.

102230436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 102230436 is about 10110.9067842603. The cubic root of 102230436 is about 467.5844620385.

Adding to 102230436 its reverse (634032201), we get a palindrome (736262637).

The spelling of 102230436 in words is "one hundred two million, two hundred thirty thousand, four hundred thirty-six".