2229505420 has 24 divisors (see below), whose sum is σ = 4770302544. Its totient is φ = 874975296.

The previous prime is 2229505403. The next prime is 2229505427. The reversal of 2229505420 is 245059222.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2229505427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050594 + ... + 1052713.

It is an arithmetic number, because the mean of its divisors is an integer number (198762606).

Almost surely, 2^2229505420 is an apocalyptic number.

2229505420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2229505420 is an abundant number, since it is smaller than the sum of its proper divisors (2540797124).

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

2229505420 is a wasteful number, since it uses less digits than its factorization.

2229505420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103369 (or 2103367 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2229505420 is about 47217.6388651529. The cubic root of 2229505420 is about 1306.3799635043.

The spelling of 2229505420 in words is "two billion, two hundred twenty-nine million, five hundred five thousand, four hundred twenty".