22150036 has 6 divisors (see below), whose sum is σ = 38762570. Its totient is φ = 11075016.

The previous prime is 22150001. The next prime is 22150061. The reversal of 22150036 is 63005122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22146436 + 3600 = 4706^2 + 60^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22149995 and 22150022.

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, 2768751 + ... + 2768758.

Almost surely, 2^22150036 is an apocalyptic number.

It is an amenable number.

22150036 is a deficient number, since it is larger than the sum of its proper divisors (16612534).

22150036 is a wasteful number, since it uses less digits than its factorization.

22150036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537513 (or 5537511 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 22150036 is about 4706.3824748951. The cubic root of 22150036 is about 280.8394704569.

Adding to 22150036 its reverse (63005122), we get a palindrome (85155158).

The spelling of 22150036 in words is "twenty-two million, one hundred fifty thousand, thirty-six".