214221552 has 20 divisors (see below), whose sum is σ = 553405800. Its totient is φ = 71407168.

The previous prime is 214221533. The next prime is 214221577. The reversal of 214221552 is 255122412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231427 + ... + 2231522.

It is an arithmetic number, because the mean of its divisors is an integer number (27670290).

Almost surely, 2^214221552 is an apocalyptic number.

It is an amenable number.

214221552 is an abundant number, since it is smaller than the sum of its proper divisors (339184248).

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

214221552 is a wasteful number, since it uses less digits than its factorization.

214221552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462960 (or 4462954 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 214221552 is about 14636.3093708763. The cubic root of 214221552 is about 598.3487486728.

Adding to 214221552 its reverse (255122412), we get a palindrome (469343964).

The spelling of 214221552 in words is "two hundred fourteen million, two hundred twenty-one thousand, five hundred fifty-two".