22750004 has 6 divisors (see below), whose sum is σ = 39812514. Its totient is φ = 11375000.

The previous prime is 22750003. The next prime is 22750027. The reversal of 22750004 is 40005722.

It can be written as a sum of positive squares in only one way, i.e., 14047504 + 8702500 = 3748^2 + 2950^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22750003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843747 + ... + 2843754.

It is an arithmetic number, because the mean of its divisors is an integer number (6635419).

Almost surely, 2^22750004 is an apocalyptic number.

It is an amenable number.

22750004 is a deficient number, since it is larger than the sum of its proper divisors (17062510).

22750004 is a wasteful number, since it uses less digits than its factorization.

22750004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687505 (or 5687503 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 22750004 is about 4769.6964263986. The cubic root of 22750004 is about 283.3525720116.

Adding to 22750004 its reverse (40005722), we get a palindrome (62755726).

The spelling of 22750004 in words is "twenty-two million, seven hundred fifty thousand, four".