28211203823330 has 32 divisors (see below), whose sum is σ = 55449863089920. Its totient is φ = 10248745979520.

The previous prime is 28211203823321. The next prime is 28211203823333. The reversal of 28211203823330 is 3332830211282.

It is a super-2 number, since 2×28211203823330² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28211203823333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123305099 + ... + 123533678.

It is an arithmetic number, because the mean of its divisors is an integer number (1732808221560).

Almost surely, 2^{28211203823330} is an apocalyptic number.

28211203823330 is a deficient number, since it is larger than the sum of its proper divisors (27238659266590).

28211203823330 is a wasteful number, since it uses less digits than its factorization.

28211203823330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246839834.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 28211203823330 in words is "twenty-eight trillion, two hundred eleven billion, two hundred three million, eight hundred twenty-three thousand, three hundred thirty".