1382227477 has 4 divisors (see below), whose sum is σ = 1383015040. Its totient is φ = 1381439916.

The previous prime is 1382227471. The next prime is 1382227489. The reversal of 1382227477 is 7747222831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382227477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382227471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391143 + ... + 394660.

It is an arithmetic number, because the mean of its divisors is an integer number (345753760).

Almost surely, 2^1382227477 is an apocalyptic number.

It is an amenable number.

1382227477 is a deficient number, since it is larger than the sum of its proper divisors (787563).

1382227477 is an equidigital number, since it uses as much as digits as its factorization.

1382227477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787562.

The product of its digits is 263424, while the sum is 43.

The square root of 1382227477 is about 37178.3199862501. The cubic root of 1382227477 is about 1113.9349766559.

The spelling of 1382227477 in words is "one billion, three hundred eighty-two million, two hundred twenty-seven thousand, four hundred seventy-seven".