1822162222 has 4 divisors (see below), whose sum is σ = 2733243336. Its totient is φ = 911081110.

The previous prime is 1822162211. The next prime is 1822162283. The reversal of 1822162222 is 2222612281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2222612281 = 47 ⋅47289623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455540554 + ... + 455540557.

It is an arithmetic number, because the mean of its divisors is an integer number (683310834).

Almost surely, 2^1822162222 is an apocalyptic number.

1822162222 is a deficient number, since it is larger than the sum of its proper divisors (911081114).

1822162222 is an equidigital number, since it uses as much as digits as its factorization.

1822162222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911081113.

The product of its digits is 3072, while the sum is 28.

The square root of 1822162222 is about 42686.7921259024. The cubic root of 1822162222 is about 1221.4124602082.

The spelling of 1822162222 in words is "one billion, eight hundred twenty-two million, one hundred sixty-two thousand, two hundred twenty-two".