220214900 has 18 divisors (see below), whose sum is σ = 477866550. Its totient is φ = 88085920.

The previous prime is 220214899. The next prime is 220214983. The reversal of 220214900 is 9412022.

It can be written as a sum of positive squares in 3 ways, for example, as 2298256 + 217916644 = 1516^2 + 14762^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1100975 + ... + 1101174.

Almost surely, 2^220214900 is an apocalyptic number.

220214900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220214900 is an abundant number, since it is smaller than the sum of its proper divisors (257651650).

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

220214900 is a wasteful number, since it uses less digits than its factorization.

220214900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202163 (or 2202156 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 220214900 is about 14839.6394834915. The cubic root of 220214900 is about 603.8775719289.

Adding to 220214900 its reverse (9412022), we get a palindrome (229626922).

The spelling of 220214900 in words is "two hundred twenty million, two hundred fourteen thousand, nine hundred".