12220054 has 32 divisors (see below), whose sum is σ = 23187456. Its totient is φ = 4691520.

The previous prime is 12220037. The next prime is 12220081. The reversal of 12220054 is 45002221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10699 + ... + 11785.

It is an arithmetic number, because the mean of its divisors is an integer number (724608).

Almost surely, 2^12220054 is an apocalyptic number.

12220054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12220054 is a deficient number, since it is larger than the sum of its proper divisors (10967402).

12220054 is a wasteful number, since it uses less digits than its factorization.

12220054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 12220054 is about 3495.7193823303. The cubic root of 12220054 is about 230.3338189828. Note that the first 3 decimals are identical.

Adding to 12220054 its reverse (45002221), we get a palindrome (57222275).

The spelling of 12220054 in words is "twelve million, two hundred twenty thousand, fifty-four".