102444322 has 8 divisors (see below), whose sum is σ = 157414572. Its totient is φ = 49972800.

The previous prime is 102444311. The next prime is 102444337. The reversal of 102444322 is 223444201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85544001 + 16900321 = 9249^2 + 4111^2 .

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

It is a super-2 number, since 2×102444322² = 20989678220079368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102444293 and 102444302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624579 + ... + 624742.

Almost surely, 2^102444322 is an apocalyptic number.

102444322 is a deficient number, since it is larger than the sum of its proper divisors (54970250).

102444322 is a wasteful number, since it uses less digits than its factorization.

102444322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249364.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 102444322 is about 10121.4782517180. The cubic root of 102444322 is about 467.9103274998.

Adding to 102444322 its reverse (223444201), we get a palindrome (325888523).

The spelling of 102444322 in words is "one hundred two million, four hundred forty-four thousand, three hundred twenty-two".