22053012 has 36 divisors (see below), whose sum is σ = 54670560. Its totient is φ = 6917504.

The previous prime is 22052993. The next prime is 22053061. The reversal of 22053012 is 21035022.

It is a junction number, because it is equal to n+sod(n) for n = 22052982 and 22053000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289 + ... + 6647.

Almost surely, 2^22053012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22053012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27335280).

22053012 is an abundant number, since it is smaller than the sum of its proper divisors (32617548).

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

22053012 is a wasteful number, since it uses less digits than its factorization.

22053012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400 (or 6381 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 22053012 is about 4696.0634578336. The cubic root of 22053012 is about 280.4288157291.

Adding to 22053012 its reverse (21035022), we get a palindrome (43088034).

The spelling of 22053012 in words is "twenty-two million, fifty-three thousand, twelve".