222429500 has 24 divisors (see below), whose sum is σ = 485787120. Its totient is φ = 88971600.

The previous prime is 222429491. The next prime is 222429503. The reversal of 222429500 is 5924222.

It is a self number, because there is not a number n which added to its sum of digits gives 222429500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222429503) 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, 221930 + ... + 222929.

It is an arithmetic number, because the mean of its divisors is an integer number (20241130).

Almost surely, 2^222429500 is an apocalyptic number.

222429500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222429500 is an abundant number, since it is smaller than the sum of its proper divisors (263357620).

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

222429500 is a wasteful number, since it uses less digits than its factorization.

222429500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444878 (or 444866 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 222429500 is about 14914.0705375830. The cubic root of 222429500 is about 605.8951301137.

The spelling of 222429500 in words is "two hundred twenty-two million, four hundred twenty-nine thousand, five hundred".