22554461 has 16 divisors (see below), whose sum is σ = 24624000. Its totient is φ = 20579328.

The previous prime is 22554457. The next prime is 22554479. The reversal of 22554461 is 16445522.

It is a cyclic number.

It is not a de Polignac number, because 22554461 - 2² = 22554457 is a prime.

It is a super-2 number, since 2×22554461² = 1017407422001042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113240 + ... + 113438.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 2^22554461 is an apocalyptic number.

It is an amenable number.

22554461 is a deficient number, since it is larger than the sum of its proper divisors (2069539).

22554461 is a wasteful number, since it uses less digits than its factorization.

22554461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its digits is 9600, while the sum is 29.

The square root of 22554461 is about 4749.1537140842. The cubic root of 22554461 is about 282.5384018592.

Adding to 22554461 its reverse (16445522), we get a palindrome (38999983).

It can be divided in two parts, 225 and 54461, that multiplied together give a triangular number (12253725 = T₄₉₅₀).

The spelling of 22554461 in words is "twenty-two million, five hundred fifty-four thousand, four hundred sixty-one".