2226978877 has 2 divisors, whose sum is σ = 2226978878. Its totient is φ = 2226978876.

The previous prime is 2226978833. The next prime is 2226978881. The reversal of 2226978877 is 7788796222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2153516836 + 73462041 = 46406^2 + 8571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2226978877 is a prime.

It is a super-2 number, since 2×2226978877² = 9918869837208362258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2226778877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113489438 + 1113489439.

It is an arithmetic number, because the mean of its divisors is an integer number (1113489439).

Almost surely, 2^2226978877 is an apocalyptic number.

It is an amenable number.

2226978877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226978877 is an equidigital number, since it uses as much as digits as its factorization.

2226978877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9483264, while the sum is 58.

The square root of 2226978877 is about 47190.8770526677. The cubic root of 2226978877 is about 1305.8863005454.

The spelling of 2226978877 in words is "two billion, two hundred twenty-six million, nine hundred seventy-eight thousand, eight hundred seventy-seven".