212028562 has 16 divisors (see below), whose sum is σ = 341907840. Its totient is φ = 98296848.

The previous prime is 212028529. The next prime is 212028643. The reversal of 212028562 is 265820212.

It is a super-2 number, since 2×212028562² = 89912222207575688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212028562.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57573 + ... + 61144.

It is an arithmetic number, because the mean of its divisors is an integer number (21369240).

Almost surely, 2^212028562 is an apocalyptic number.

212028562 is a deficient number, since it is larger than the sum of its proper divisors (129879278).

212028562 is a wasteful number, since it uses less digits than its factorization.

212028562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118785.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 212028562 is about 14561.2005686344. The cubic root of 212028562 is about 596.2999724886.

Adding to 212028562 its reverse (265820212), we get a palindrome (477848774).

The spelling of 212028562 in words is "two hundred twelve million, twenty-eight thousand, five hundred sixty-two".