1403640222 has 8 divisors (see below), whose sum is σ = 2807280456. Its totient is φ = 467880072.

The previous prime is 1403640193. The next prime is 1403640239. The reversal of 1403640222 is 2220463041.

It is a sphenic number, since it is the product of 3 distinct primes.

1403640222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1403640192 and 1403640201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116970013 + ... + 116970024.

It is an arithmetic number, because the mean of its divisors is an integer number (350910057).

Almost surely, 2^1403640222 is an apocalyptic number.

1403640222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1403640222 is a wasteful number, since it uses less digits than its factorization.

1403640222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233940042.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1403640222 is about 37465.1868005486. The cubic root of 1403640222 is about 1119.6576924782.

The spelling of 1403640222 in words is "one billion, four hundred three million, six hundred forty thousand, two hundred twenty-two".