222773042621357 has 4 divisors (see below), whose sum is σ = 222809130922140. Its totient is φ = 222736954320576.

The previous prime is 222773042621317. The next prime is 222773042621383. The reversal of 222773042621357 is 753126240377222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11579224786276 + 211193817835081 = 3402826^2 + 14532509^2 .

It is a cyclic number.

It is not a de Polignac number, because 222773042621357 - 2²² = 222773038427053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222773042621299 and 222773042621308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222773042621317) 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, 18044141132 + ... + 18044153477.

It is an arithmetic number, because the mean of its divisors is an integer number (55702282730535).

Almost surely, 2^{222773042621357} is an apocalyptic number.

It is an amenable number.

222773042621357 is a deficient number, since it is larger than the sum of its proper divisors (36088300783).

222773042621357 is an equidigital number, since it uses as much as digits as its factorization.

222773042621357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36088300782.

The product of its (nonzero) digits is 11854080, while the sum is 53.

Adding to 222773042621357 its reverse (753126240377222), we get a palindrome (975899282998579).

The spelling of 222773042621357 in words is "two hundred twenty-two trillion, seven hundred seventy-three billion, forty-two million, six hundred twenty-one thousand, three hundred fifty-seven".