222842487 has 16 divisors (see below), whose sum is σ = 340831232. Its totient is φ = 126865440.

The previous prime is 222842483. The next prime is 222842491. The reversal of 222842487 is 784248222.

It is an interprime number because it is at equal distance from previous prime (222842483) and next prime (222842491).

It is not a de Polignac number, because 222842487 - 2² = 222842483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222842483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13888 + ... + 25269.

It is an arithmetic number, because the mean of its divisors is an integer number (21301952).

Almost surely, 2^222842487 is an apocalyptic number.

222842487 is a deficient number, since it is larger than the sum of its proper divisors (117988745).

222842487 is a wasteful number, since it uses less digits than its factorization.

222842487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39438.

The product of its digits is 114688, while the sum is 39.

The square root of 222842487 is about 14927.9096661254. The cubic root of 222842487 is about 606.2698887159.

The spelling of 222842487 in words is "two hundred twenty-two million, eight hundred forty-two thousand, four hundred eighty-seven".