102022308 has 24 divisors (see below), whose sum is σ = 264502560. Its totient is φ = 34007400.

The previous prime is 102022301. The next prime is 102022313. The reversal of 102022308 is 803220201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102022301) 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, 472218 + ... + 472433.

It is an arithmetic number, because the mean of its divisors is an integer number (11020940).

Almost surely, 2^102022308 is an apocalyptic number.

102022308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102022308 is an abundant number, since it is smaller than the sum of its proper divisors (162480252).

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

102022308 is a wasteful number, since it uses less digits than its factorization.

102022308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944664 (or 944656 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 102022308 is about 10100.6092885528. The cubic root of 102022308 is about 467.2669325452.

Adding to 102022308 its reverse (803220201), we get a palindrome (905242509).

The spelling of 102022308 in words is "one hundred two million, twenty-two thousand, three hundred eight".