22126546 has 16 divisors (see below), whose sum is σ = 36419544. Its totient is φ = 10018944.

The previous prime is 22126543. The next prime is 22126547. The reversal of 22126546 is 64562122.

It can be written as a sum of positive squares in 4 ways, for example, as 17131321 + 4995225 = 4139^2 + 2235^2 .

It is not an unprimeable number, because it can be changed into a prime (22126541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6651 + ... + 9406.

Almost surely, 2^22126546 is an apocalyptic number.

22126546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22126546 is a deficient number, since it is larger than the sum of its proper divisors (14292998).

22126546 is a wasteful number, since it uses less digits than its factorization.

22126546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125.

The product of its digits is 5760, while the sum is 28.

The square root of 22126546 is about 4703.8862656319. The cubic root of 22126546 is about 280.7401590678.

Adding to 22126546 its reverse (64562122), we get a palindrome (86688668).

The spelling of 22126546 in words is "twenty-two million, one hundred twenty-six thousand, five hundred forty-six".