28222251110270 has 32 divisors (see below), whose sum is σ = 58172624229888. Its totient is φ = 9656963389728.

The previous prime is 28222251110197. The next prime is 28222251110279. The reversal of 28222251110270 is 7201115222282.

It is a super-2 number, since 2×28222251110270² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 28222251110270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28222251110279) 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, 400735184 + ... + 400805603.

It is an arithmetic number, because the mean of its divisors is an integer number (1817894507184).

Almost surely, 2^{28222251110270} is an apocalyptic number.

28222251110270 is an abundant number, since it is smaller than the sum of its proper divisors (29950373119618).

28222251110270 is a wasteful number, since it uses less digits than its factorization.

28222251110270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801541304.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 28222251110270 in words is "twenty-eight trillion, two hundred twenty-two billion, two hundred fifty-one million, one hundred ten thousand, two hundred seventy".