22851036 has 72 divisors (see below), whose sum is σ = 62803104. Its totient is φ = 6963840.

The previous prime is 22851013. The next prime is 22851041. The reversal of 22851036 is 63015822.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73321 + ... + 73631.

Almost surely, 2^22851036 is an apocalyptic number.

22851036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22851036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31401552).

22851036 is an abundant number, since it is smaller than the sum of its proper divisors (39952068).

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

22851036 is a wasteful number, since it uses less digits than its factorization.

22851036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22851036 is about 4780.2757242653. The cubic root of 22851036 is about 283.7714056833.

Adding to 22851036 its reverse (63015822), we get a palindrome (85866858).

It can be divided in two parts, 2285 and 1036, that added together give a triangular number (3321 = T₈₁).

The spelling of 22851036 in words is "twenty-two million, eight hundred fifty-one thousand, thirty-six".