1385862274 has 4 divisors (see below), whose sum is σ = 2078793414. Its totient is φ = 692931136.

The previous prime is 1385862259. The next prime is 1385862281. The reversal of 1385862274 is 4722685831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1299242025 + 86620249 = 36045^2 + 9307^2 .

It is a super-2 number, since 2×1385862274² = 3841228484992902152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346465567 + ... + 346465570.

Almost surely, 2^1385862274 is an apocalyptic number.

1385862274 is a deficient number, since it is larger than the sum of its proper divisors (692931140).

1385862274 is an equidigital number, since it uses as much as digits as its factorization.

1385862274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692931139.

The product of its digits is 645120, while the sum is 46.

The square root of 1385862274 is about 37227.1711791267. The cubic root of 1385862274 is about 1114.9105477649.

The spelling of 1385862274 in words is "one billion, three hundred eighty-five million, eight hundred sixty-two thousand, two hundred seventy-four".