2219954220 has 72 divisors (see below), whose sum is σ = 7346036880. Its totient is φ = 538170240.

The previous prime is 2219954203. The next prime is 2219954239. The reversal of 2219954220 is 224599122.

2219954220 is a `hidden beast` number, since 2 + 2 + 1 + 99 + 542 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558615 + ... + 562574.

It is an arithmetic number, because the mean of its divisors is an integer number (102028290).

Almost surely, 2^2219954220 is an apocalyptic number.

2219954220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2219954220 is an abundant number, since it is smaller than the sum of its proper divisors (5126082660).

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

2219954220 is a wasteful number, since it uses less digits than its factorization.

2219954220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121215 (or 1121210 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2219954220 is about 47116.3901418604. The cubic root of 2219954220 is about 1304.5117828477.

The spelling of 2219954220 in words is "two billion, two hundred nineteen million, nine hundred fifty-four thousand, two hundred twenty".