102322044 has 36 divisors (see below), whose sum is σ = 282161880. Its totient is φ = 31006560.

The previous prime is 102322039. The next prime is 102322091. The reversal of 102322044 is 440223201.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128799 + ... + 129590.

It is an arithmetic number, because the mean of its divisors is an integer number (7837830).

Almost surely, 2^102322044 is an apocalyptic number.

It is an amenable number.

102322044 is an abundant number, since it is smaller than the sum of its proper divisors (179839836).

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

102322044 is a wasteful number, since it uses less digits than its factorization.

102322044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258410 (or 258405 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102322044 is about 10115.4359273340. The cubic root of 102322044 is about 467.7240867624.

Adding to 102322044 its reverse (440223201), we get a palindrome (542545245).

The spelling of 102322044 in words is "one hundred two million, three hundred twenty-two thousand, forty-four".