2228537938 has 16 divisors (see below), whose sum is σ = 3647904480. Its totient is φ = 1012636800.

The previous prime is 2228537929. The next prime is 2228537953. The reversal of 2228537938 is 8397358222.

It is a happy number.

It is a super-2 number, since 2×2228537938² = 9932762682210583688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2228537891 and 2228537900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58873 + ... + 89011.

It is an arithmetic number, because the mean of its divisors is an integer number (227994030).

Almost surely, 2^2228537938 is an apocalyptic number.

2228537938 is a deficient number, since it is larger than the sum of its proper divisors (1419366542).

2228537938 is a wasteful number, since it uses less digits than its factorization.

2228537938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33513.

The product of its digits is 1451520, while the sum is 49.

The square root of 2228537938 is about 47207.3928320554. The cubic root of 2228537938 is about 1306.1909706222.

The spelling of 2228537938 in words is "two billion, two hundred twenty-eight million, five hundred thirty-seven thousand, nine hundred thirty-eight".