28220354376 has 16 divisors (see below), whose sum is σ = 70550886000. Its totient is φ = 9406784784.

The previous prime is 28220354347. The next prime is 28220354377. The reversal of 28220354376 is 67345302282.

It is a super-2 number, since 2×28220354376² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28220354377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587924026 + ... + 587924073.

It is an arithmetic number, because the mean of its divisors is an integer number (4409430375).

Almost surely, 2^28220354376 is an apocalyptic number.

It is an amenable number.

28220354376 is an abundant number, since it is smaller than the sum of its proper divisors (42330531624).

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

28220354376 is a wasteful number, since it uses less digits than its factorization.

28220354376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175848108 (or 1175848104 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 28220354376 in words is "twenty-eight billion, two hundred twenty million, three hundred fifty-four thousand, three hundred seventy-six".