1400334228 has 18 divisors (see below), whose sum is σ = 3539733834. Its totient is φ = 466778064.

The previous prime is 1400334211. The next prime is 1400334269. The reversal of 1400334228 is 8224330041.

1400334228 is a `hidden beast` number, since 1 + 400 + 3 + 34 + 228 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1054820484 + 345513744 = 32478^2 + 18588^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19449051 + ... + 19449122.

Almost surely, 2^1400334228 is an apocalyptic number.

1400334228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1400334228 is an abundant number, since it is smaller than the sum of its proper divisors (2139399606).

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

1400334228 is a wasteful number, since it uses less digits than its factorization.

1400334228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38898183 (or 38898178 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1400334228 is about 37421.0399107240. The cubic root of 1400334228 is about 1118.7779581332. Note that the first 3 decimals are identical.

Adding to 1400334228 its reverse (8224330041), we get a palindrome (9624664269).

The spelling of 1400334228 in words is "one billion, four hundred million, three hundred thirty-four thousand, two hundred twenty-eight".