1375222056 has 32 divisors (see below), whose sum is σ = 3702521760. Its totient is φ = 423145152.

The previous prime is 1375222027. The next prime is 1375222061. The reversal of 1375222056 is 6502225731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2203570 + ... + 2204193.

It is an arithmetic number, because the mean of its divisors is an integer number (115703805).

Almost surely, 2^1375222056 is an apocalyptic number.

It is an amenable number.

1375222056 is an abundant number, since it is smaller than the sum of its proper divisors (2327299704).

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

1375222056 is a wasteful number, since it uses less digits than its factorization.

1375222056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407785 (or 4407781 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 1375222056 is about 37083.9865170939. The cubic root of 1375222056 is about 1112.0499024411.

Adding to 1375222056 its reverse (6502225731), we get a palindrome (7877447787).

The spelling of 1375222056 in words is "one billion, three hundred seventy-five million, two hundred twenty-two thousand, fifty-six".