102422416 has 40 divisors (see below), whose sum is σ = 213595704. Its totient is φ = 47400960.

The previous prime is 102422393. The next prime is 102422423. The reversal of 102422416 is 614224201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1218816 + 101203600 = 1104^2 + 10060^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13506 + ... + 19678.

Almost surely, 2^102422416 is an apocalyptic number.

102422416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102422416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106797852).

102422416 is an abundant number, since it is smaller than the sum of its proper divisors (111173288).

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

102422416 is a wasteful number, since it uses less digits than its factorization.

102422416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 102422416 is about 10120.3960396815. The cubic root of 102422416 is about 467.8769735305.

Adding to 102422416 its reverse (614224201), we get a palindrome (716646617).

The spelling of 102422416 in words is "one hundred two million, four hundred twenty-two thousand, four hundred sixteen".