53212622 has 8 divisors (see below), whose sum is σ = 82571400. Its totient is φ = 25688824.

The previous prime is 53212603. The next prime is 53212657. The reversal of 53212622 is 22621235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53212622² = 5663166280229768, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 458672 + ... + 458787.

It is an arithmetic number, because the mean of its divisors is an integer number (10321425).

Almost surely, 2^53212622 is an apocalyptic number.

53212622 is a deficient number, since it is larger than the sum of its proper divisors (29358778).

53212622 is a wasteful number, since it uses less digits than its factorization.

53212622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917490.

The product of its digits is 1440, while the sum is 23.

The square root of 53212622 is about 7294.6982117151. The cubic root of 53212622 is about 376.1302127474.

Adding to 53212622 its reverse (22621235), we get a palindrome (75833857).

The spelling of 53212622 in words is "fifty-three million, two hundred twelve thousand, six hundred twenty-two".