222386978453 has 2 divisors, whose sum is σ = 222386978454. Its totient is φ = 222386978452.

The previous prime is 222386978417. The next prime is 222386978459. The reversal of 222386978453 is 354879683222.

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., 220667881009 + 1719097444 = 469753^2 + 41462^2 .

It is a cyclic number.

It is not a de Polignac number, because 222386978453 - 2⁸ = 222386978197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222386978392 and 222386978401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222386978459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111193489226 + 111193489227.

It is an arithmetic number, because the mean of its divisors is an integer number (111193489227).

Almost surely, 2^222386978453 is an apocalyptic number.

It is an amenable number.

222386978453 is a deficient number, since it is larger than the sum of its proper divisors (1).

222386978453 is an equidigital number, since it uses as much as digits as its factorization.

222386978453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 59.

The spelling of 222386978453 in words is "two hundred twenty-two billion, three hundred eighty-six million, nine hundred seventy-eight thousand, four hundred fifty-three".