28223962 has 16 divisors (see below), whose sum is σ = 45682560. Its totient is φ = 13000752.

The previous prime is 28223941. The next prime is 28224011. The reversal of 28223962 is 26932282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20739 + ... + 22057.

It is an arithmetic number, because the mean of its divisors is an integer number (2855160).

Almost surely, 2^28223962 is an apocalyptic number.

28223962 is a deficient number, since it is larger than the sum of its proper divisors (17458598).

28223962 is a wasteful number, since it uses less digits than its factorization.

28223962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157.

The product of its digits is 20736, while the sum is 34.

The square root of 28223962 is about 5312.6228926962. The cubic root of 28223962 is about 304.4663677990.

The spelling of 28223962 in words is "twenty-eight million, two hundred twenty-three thousand, nine hundred sixty-two".