22277783389 has 2 divisors, whose sum is σ = 22277783390. Its totient is φ = 22277783388.

The previous prime is 22277783261. The next prime is 22277783401. The reversal of 22277783389 is 98338777222.

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., 14344852900 + 7932930489 = 119770^2 + 89067^2 .

It is a cyclic number.

It is not a de Polignac number, because 22277783389 - 2⁷ = 22277783261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22277786389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11138891694 + 11138891695.

It is an arithmetic number, because the mean of its divisors is an integer number (11138891695).

Almost surely, 2^22277783389 is an apocalyptic number.

It is an amenable number.

22277783389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22277783389 is an equidigital number, since it uses as much as digits as its factorization.

22277783389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14224896, while the sum is 58.

The spelling of 22277783389 in words is "twenty-two billion, two hundred seventy-seven million, seven hundred eighty-three thousand, three hundred eighty-nine".