22707764 has 6 divisors (see below), whose sum is σ = 39738594. Its totient is φ = 11353880.

The previous prime is 22707697. The next prime is 22707781. The reversal of 22707764 is 46770722.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 10942864 = 3430^2 + 3308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2838467 + ... + 2838474.

It is an arithmetic number, because the mean of its divisors is an integer number (6623099).

Almost surely, 2^22707764 is an apocalyptic number.

It is an amenable number.

22707764 is a deficient number, since it is larger than the sum of its proper divisors (17030830).

22707764 is a wasteful number, since it uses less digits than its factorization.

22707764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676945 (or 5676943 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 22707764 is about 4765.2664143781. The cubic root of 22707764 is about 283.1770961772.

The spelling of 22707764 in words is "twenty-two million, seven hundred seven thousand, seven hundred sixty-four".