2278221462 has 24 divisors (see below), whose sum is σ = 5384887560. Its totient is φ = 690370080.

The previous prime is 2278221427. The next prime is 2278221503. The reversal of 2278221462 is 2641228722.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5752887 + ... + 5753282.

It is an arithmetic number, because the mean of its divisors is an integer number (224370315).

Almost surely, 2^2278221462 is an apocalyptic number.

2278221462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2278221462 is an abundant number, since it is smaller than the sum of its proper divisors (3106666098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2278221462 is a wasteful number, since it uses less digits than its factorization.

2278221462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11506188 (or 11506185 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 2278221462 is about 47730.7182221261. The cubic root of 2278221462 is about 1315.8265535616.

It can be divided in two parts, 22782 and 21462, that added together give a palindrome (44244).

The spelling of 2278221462 in words is "two billion, two hundred seventy-eight million, two hundred twenty-one thousand, four hundred sixty-two".