214421355 has 24 divisors (see below), whose sum is σ = 372441888. Its totient is φ = 114118656.

The previous prime is 214421353. The next prime is 214421371. The reversal of 214421355 is 553124412.

It is not a de Polignac number, because 214421355 - 2¹ = 214421353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214421351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17899 + ... + 27371.

It is an arithmetic number, because the mean of its divisors is an integer number (15518412).

Almost surely, 2^214421355 is an apocalyptic number.

214421355 is a deficient number, since it is larger than the sum of its proper divisors (158020533).

214421355 is a wasteful number, since it uses less digits than its factorization.

214421355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9987 (or 9984 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 214421355 is about 14643.1333737011. The cubic root of 214421355 is about 598.5347161517.

Adding to 214421355 its reverse (553124412), we get a palindrome (767545767).

The spelling of 214421355 in words is "two hundred fourteen million, four hundred twenty-one thousand, three hundred fifty-five".