214220412 has 36 divisors (see below), whose sum is σ = 618859696. Its totient is φ = 61205760.

The previous prime is 214220411. The next prime is 214220423. The reversal of 214220412 is 214022412.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214220411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424789 + ... + 425292.

Almost surely, 2^214220412 is an apocalyptic number.

It is an amenable number.

214220412 is an abundant number, since it is smaller than the sum of its proper divisors (404639284).

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

214220412 is a wasteful number, since it uses less digits than its factorization.

214220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850098 (or 850093 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 214220412 is about 14636.2704265807. The cubic root of 214220412 is about 598.3476872814.

Adding to 214220412 its reverse (214022412), we get a palindrome (428242824).

The spelling of 214220412 in words is "two hundred fourteen million, two hundred twenty thousand, four hundred twelve".