214424220 has 48 divisors (see below), whose sum is σ = 611724960. Its totient is φ = 56100096.

The previous prime is 214424201. The next prime is 214424227. The reversal of 214424220 is 22424412.

It is a super-2 number, since 2×214424220² = 91955492245216800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214424227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30535 + ... + 36894.

It is an arithmetic number, because the mean of its divisors is an integer number (12744270).

Almost surely, 2^214424220 is an apocalyptic number.

214424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214424220 is an abundant number, since it is smaller than the sum of its proper divisors (397300740).

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

214424220 is a wasteful number, since it uses less digits than its factorization.

214424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67494 (or 67492 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 214424220 is about 14643.2312007972. The cubic root of 214424220 is about 598.5373819222.

Adding to 214424220 its reverse (22424412), we get a palindrome (236848632).

The spelling of 214424220 in words is "two hundred fourteen million, four hundred twenty-four thousand, two hundred twenty".