212253502 has 4 divisors (see below), whose sum is σ = 318380256. Its totient is φ = 106126750.

The previous prime is 212253491. The next prime is 212253529. The reversal of 212253502 is 205352212.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×212253502⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53063374 + ... + 53063377.

It is an arithmetic number, because the mean of its divisors is an integer number (79595064).

Almost surely, 2^212253502 is an apocalyptic number.

212253502 is a deficient number, since it is larger than the sum of its proper divisors (106126754).

212253502 is a wasteful number, since it uses less digits than its factorization.

212253502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106126753.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 212253502 is about 14568.9224721666. The cubic root of 212253502 is about 596.5107684764.

The spelling of 212253502 in words is "two hundred twelve million, two hundred fifty-three thousand, five hundred two".