2238778322 has 48 divisors (see below), whose sum is σ = 3906097344. Its totient is φ = 954180000.

The previous prime is 2238778291. The next prime is 2238778343.

2238778322 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 800747 + ... + 803537.

It is an arithmetic number, because the mean of its divisors is an integer number (81377028).

Almost surely, 2^2238778322 is an apocalyptic number.

2238778322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2238778322 is a deficient number, since it is larger than the sum of its proper divisors (1667319022).

2238778322 is a wasteful number, since it uses less digits than its factorization.

2238778322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2924 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 2238778322 is about 47315.7301750697. The cubic root of 2238778322 is about 1308.1886123811.

The spelling of 2238778322 in words is "two billion, two hundred thirty-eight million, seven hundred seventy-eight thousand, three hundred twenty-two".