1375451722 has 8 divisors (see below), whose sum is σ = 2064510756. Its totient is φ = 687281472.

The previous prime is 1375451711. The next prime is 1375451731. The reversal of 1375451722 is 2271545731.

It can be written as a sum of positive squares in 2 ways, for example, as 1048529161 + 326922561 = 32381^2 + 18081^2 .

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

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, 218313 + ... + 224524.

Almost surely, 2^1375451722 is an apocalyptic number.

1375451722 is a deficient number, since it is larger than the sum of its proper divisors (689059034).

1375451722 is a wasteful number, since it uses less digits than its factorization.

1375451722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444392.

The product of its digits is 58800, while the sum is 37.

The square root of 1375451722 is about 37087.0829535028. The cubic root of 1375451722 is about 1112.1118041623. Note that the first 3 decimals are identical.

The spelling of 1375451722 in words is "one billion, three hundred seventy-five million, four hundred fifty-one thousand, seven hundred twenty-two".