222134020 has 24 divisors (see below), whose sum is σ = 466762968. Its totient is φ = 88800000.

The previous prime is 222133999. The next prime is 222134021. The reversal of 222134020 is 20431222.

It can be written as a sum of positive squares in 4 ways, for example, as 18386944 + 203747076 = 4288^2 + 14274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222133985 and 222134003.

It is not an unprimeable number, because it can be changed into a prime (222134021) 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, 58170 + ... + 61870.

It is an arithmetic number, because the mean of its divisors is an integer number (19448457).

Almost surely, 2^222134020 is an apocalyptic number.

222134020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222134020 is an abundant number, since it is smaller than the sum of its proper divisors (244628948).

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

222134020 is a wasteful number, since it uses less digits than its factorization.

222134020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711 (or 6709 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222134020 is about 14904.1611639166. The cubic root of 222134020 is about 605.6267166355.

Adding to 222134020 its reverse (20431222), we get a palindrome (242565242).

The spelling of 222134020 in words is "two hundred twenty-two million, one hundred thirty-four thousand, twenty".