2228270 has 32 divisors (see below), whose sum is σ = 4478976. Its totient is φ = 791200.

The previous prime is 2228243. The next prime is 2228299. The reversal of 2228270 is 728222.

2228270 = T₂₉₆ + T₂₉₇ + ... + T₃₃₉.

2228270 = 24² + 25² + ... + 188².

It is a happy number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4955 + ... + 5385.

It is an arithmetic number, because the mean of its divisors is an integer number (139968).

2^2228270 is an apocalyptic number.

2228270 is an abundant number, since it is smaller than the sum of its proper divisors (2250706).

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

2228270 is a wasteful number, since it uses less digits than its factorization.

2228270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2228270 is about 1492.7390930769. The cubic root of 2228270 is about 130.6138620571.

The spelling of 2228270 in words is "two million, two hundred twenty-eight thousand, two hundred seventy".