222415161487 has 4 divisors (see below), whose sum is σ = 223045233120. Its totient is φ = 221785089856.

The previous prime is 222415161469. The next prime is 222415161491. The reversal of 222415161487 is 784161514222.

222415161487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784161514222 = 2 ⋅392080757111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222415161487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222415161427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315035287 + ... + 315035992.

It is an arithmetic number, because the mean of its divisors is an integer number (55761308280).

Almost surely, 2^222415161487 is an apocalyptic number.

222415161487 is a deficient number, since it is larger than the sum of its proper divisors (630071633).

222415161487 is an equidigital number, since it uses as much as digits as its factorization.

222415161487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630071632.

The product of its digits is 215040, while the sum is 43.

The spelling of 222415161487 in words is "two hundred twenty-two billion, four hundred fifteen million, one hundred sixty-one thousand, four hundred eighty-seven".