2228042751 has 16 divisors (see below), whose sum is σ = 3293920128. Its totient is φ = 1328191200.

The previous prime is 2228042737. The next prime is 2228042777. The reversal of 2228042751 is 1572408222.

It is a de Polignac number, because none of the positive numbers 2^k-2228042751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228042851) 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, 551401 + ... + 555426.

It is an arithmetic number, because the mean of its divisors is an integer number (205870008).

Almost surely, 2^2228042751 is an apocalyptic number.

2228042751 is a deficient number, since it is larger than the sum of its proper divisors (1065877377).

2228042751 is a wasteful number, since it uses less digits than its factorization.

2228042751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106902.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 2228042751 is about 47202.1477371528. The cubic root of 2228042751 is about 1306.0942170974.

The spelling of 2228042751 in words is "two billion, two hundred twenty-eight million, forty-two thousand, seven hundred fifty-one".