22036557 has 16 divisors (see below), whose sum is σ = 30425472. Its totient is φ = 14177280.

The previous prime is 22036529. The next prime is 22036579. The reversal of 22036557 is 75563022.

It is not a de Polignac number, because 22036557 - 2⁶ = 22036493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22036457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11008 + ... + 12854.

It is an arithmetic number, because the mean of its divisors is an integer number (1901592).

Almost surely, 2^22036557 is an apocalyptic number.

It is an amenable number.

22036557 is a deficient number, since it is larger than the sum of its proper divisors (8388915).

22036557 is a wasteful number, since it uses less digits than its factorization.

22036557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 22036557 is about 4694.3111315719. The cubic root of 22036557 is about 280.3590504390.

Adding to 22036557 its reverse (75563022), we get a palindrome (97599579).

The spelling of 22036557 in words is "twenty-two million, thirty-six thousand, five hundred fifty-seven".