22761030 has 32 divisors (see below), whose sum is σ = 57003264. Its totient is φ = 5805536.

The previous prime is 22761017. The next prime is 22761041. The reversal of 22761030 is 3016722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22760988 and 22761006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15804 + ... + 17183.

It is an arithmetic number, because the mean of its divisors is an integer number (1781352).

Almost surely, 2^22761030 is an apocalyptic number.

22761030 is an abundant number, since it is smaller than the sum of its proper divisors (34242234).

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

22761030 is a wasteful number, since it uses less digits than its factorization.

22761030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33020.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 22761030 is about 4770.8521251449. The cubic root of 22761030 is about 283.3983411004.

Adding to 22761030 its reverse (3016722), we get a palindrome (25777752).

The spelling of 22761030 in words is "twenty-two million, seven hundred sixty-one thousand, thirty".