102422146 has 8 divisors (see below), whose sum is σ = 153745020. Its totient is φ = 51173808.

The previous prime is 102422137. The next prime is 102422149. The reversal of 102422146 is 641224201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89019225 + 13402921 = 9435^2 + 3661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102422149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15061 + ... + 20776.

Almost surely, 2^102422146 is an apocalyptic number.

102422146 is a deficient number, since it is larger than the sum of its proper divisors (51322874).

102422146 is a wasteful number, since it uses less digits than its factorization.

102422146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37268.

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

The square root of 102422146 is about 10120.3827002737. The cubic root of 102422146 is about 467.8765624001.

Adding to 102422146 its reverse (641224201), we get a palindrome (743646347).

The spelling of 102422146 in words is "one hundred two million, four hundred twenty-two thousand, one hundred forty-six".