1842222087 has 12 divisors (see below), whose sum is σ = 2697440304. Its totient is φ = 1211323680.

The previous prime is 1842222079. The next prime is 1842222091. The reversal of 1842222087 is 7802222481.

1842222087 is a `hidden beast` number, since 1 + 8 + 422 + 220 + 8 + 7 = 666.

It is not a de Polignac number, because 1842222087 - 2³ = 1842222079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842222037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1401339 + ... + 1402652.

It is an arithmetic number, because the mean of its divisors is an integer number (224786692).

Almost surely, 2^1842222087 is an apocalyptic number.

1842222087 is a deficient number, since it is larger than the sum of its proper divisors (855218217).

1842222087 is a wasteful number, since it uses less digits than its factorization.

1842222087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804070 (or 2804067 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 1842222087 is about 42921.1146989451. The cubic root of 1842222087 is about 1225.8782178355.

The spelling of 1842222087 in words is "one billion, eight hundred forty-two million, two hundred twenty-two thousand, eighty-seven".