1004222223877 has 2 divisors, whose sum is σ = 1004222223878. Its totient is φ = 1004222223876.

The previous prime is 1004222223869. The next prime is 1004222224007. The reversal of 1004222223877 is 7783222224001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 810433858081 + 193788365796 = 900241^2 + 440214^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004222223877 - 2³ = 1004222223869 is a prime.

It is a super-2 number, since 2×1004222223877² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004222223077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502111111938 + 502111111939.

It is an arithmetic number, because the mean of its divisors is an integer number (502111111939).

Almost surely, 2^{1004222223877} is an apocalyptic number.

It is an amenable number.

1004222223877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004222223877 is an equidigital number, since it uses as much as digits as its factorization.

1004222223877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 40.

Adding to 1004222223877 its reverse (7783222224001), we get a palindrome (8787444447878).

The spelling of 1004222223877 in words is "one trillion, four billion, two hundred twenty-two million, two hundred twenty-three thousand, eight hundred seventy-seven".