22102072 has 8 divisors (see below), whose sum is σ = 41441400. Its totient is φ = 11051032.

The previous prime is 22102063. The next prime is 22102097. The reversal of 22102072 is 27020122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1381372 + ... + 1381387.

It is an arithmetic number, because the mean of its divisors is an integer number (5180175).

Almost surely, 2^22102072 is an apocalyptic number.

It is an amenable number.

22102072 is a deficient number, since it is larger than the sum of its proper divisors (19339328).

22102072 is a wasteful number, since it uses less digits than its factorization.

22102072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762765 (or 2762761 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 22102072 is about 4701.2840799084. The cubic root of 22102072 is about 280.6366127142.

Adding to 22102072 its reverse (27020122), we get a palindrome (49122194).

The spelling of 22102072 in words is "twenty-two million, one hundred two thousand, seventy-two".