28049622 has 16 divisors (see below), whose sum is σ = 56624832. Its totient is φ = 9262280.

The previous prime is 28049611. The next prime is 28049633. The reversal of 28049622 is 22694082.

It is an interprime number because it is at equal distance from previous prime (28049611) and next prime (28049633).

It is a congruent number.

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, 21204 + ... + 22487.

It is an arithmetic number, because the mean of its divisors is an integer number (3539052).

Almost surely, 2^28049622 is an apocalyptic number.

28049622 is an abundant number, since it is smaller than the sum of its proper divisors (28575210).

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

28049622 is a wasteful number, since it uses less digits than its factorization.

28049622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43803.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 28049622 is about 5296.1893848313. The cubic root of 28049622 is about 303.8381742020.

The spelling of 28049622 in words is "twenty-eight million, forty-nine thousand, six hundred twenty-two".