102229974 has 144 divisors (see below), whose sum is σ = 289061136. Its totient is φ = 25804800.

The previous prime is 102229969. The next prime is 102229979. The reversal of 102229974 is 479922201.

It is an interprime number because it is at equal distance from previous prime (102229969) and next prime (102229979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102229979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 397654 + ... + 397910.

It is an arithmetic number, because the mean of its divisors is an integer number (2007369).

Almost surely, 2^102229974 is an apocalyptic number.

102229974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102229974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144530568).

102229974 is an abundant number, since it is smaller than the sum of its proper divisors (186831162).

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

102229974 is a wasteful number, since it uses less digits than its factorization.

102229974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 102229974 is about 10110.8839376189. The cubic root of 102229974 is about 467.5837576679.

The spelling of 102229974 in words is "one hundred two million, two hundred twenty-nine thousand, nine hundred seventy-four".