222400553 has 2 divisors, whose sum is σ = 222400554. Its totient is φ = 222400552.

The previous prime is 222400513. The next prime is 222400583. The reversal of 222400553 is 355004222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143688169 + 78712384 = 11987^2 + 8872^2 .

It is a cyclic number.

It is not a de Polignac number, because 222400553 - 2¹⁸ = 222138409 is a prime.

It is not a weakly prime, because it can be changed into another prime (222400513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111200276 + 111200277.

It is an arithmetic number, because the mean of its divisors is an integer number (111200277).

Almost surely, 2^222400553 is an apocalyptic number.

It is an amenable number.

222400553 is a deficient number, since it is larger than the sum of its proper divisors (1).

222400553 is an equidigital number, since it uses as much as digits as its factorization.

222400553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 222400553 is about 14913.1000466033. The cubic root of 222400553 is about 605.8688452201.

Adding to 222400553 its reverse (355004222), we get a palindrome (577404775).

The spelling of 222400553 in words is "two hundred twenty-two million, four hundred thousand, five hundred fifty-three".