28222652 has 12 divisors (see below), whose sum is σ = 52295040. Its totient is φ = 13281216.

The previous prime is 28222631. The next prime is 28222681. The reversal of 28222652 is 25622282.

It is a congruent number.

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, 207452 + ... + 207587.

It is an arithmetic number, because the mean of its divisors is an integer number (4357920).

Almost surely, 2^28222652 is an apocalyptic number.

It is an amenable number.

28222652 is a deficient number, since it is larger than the sum of its proper divisors (24072388).

28222652 is a wasteful number, since it uses less digits than its factorization.

28222652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415060 (or 415058 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 28222652 is about 5312.4996000000. The cubic root of 28222652 is about 304.4616571786.

The spelling of 28222652 in words is "twenty-eight million, two hundred twenty-two thousand, six hundred fifty-two".