222187741 has 2 divisors, whose sum is σ = 222187742. Its totient is φ = 222187740.

The previous prime is 222187727. The next prime is 222187759. The reversal of 222187741 is 147781222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188952516 + 33235225 = 13746^2 + 5765^2 .

It is a cyclic number.

It is not a de Polignac number, because 222187741 - 2¹¹ = 222185693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222187697 and 222187706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222187541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111093870 + 111093871.

It is an arithmetic number, because the mean of its divisors is an integer number (111093871).

Almost surely, 2^222187741 is an apocalyptic number.

It is an amenable number.

222187741 is a deficient number, since it is larger than the sum of its proper divisors (1).

222187741 is an equidigital number, since it uses as much as digits as its factorization.

222187741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 34.

The square root of 222187741 is about 14905.9632697790. The cubic root of 222187741 is about 605.6755343874.

The spelling of 222187741 in words is "two hundred twenty-two million, one hundred eighty-seven thousand, seven hundred forty-one".