22551061 has 16 divisors (see below), whose sum is σ = 26115264. Its totient is φ = 19286784.

The previous prime is 22551059. The next prime is 22551079. The reversal of 22551061 is 16015522.

It is a cyclic number.

It is not a de Polignac number, because 22551061 - 2¹ = 22551059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22551161) 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, 14046 + ... + 15568.

It is an arithmetic number, because the mean of its divisors is an integer number (1632204).

Almost surely, 2^22551061 is an apocalyptic number.

It is an amenable number.

22551061 is a deficient number, since it is larger than the sum of its proper divisors (3564203).

22551061 is a wasteful number, since it uses less digits than its factorization.

22551061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 22551061 is about 4748.7957420803. The cubic root of 22551061 is about 282.5242039460.

Adding to 22551061 its reverse (16015522), we get a palindrome (38566583).

The spelling of 22551061 in words is "twenty-two million, five hundred fifty-one thousand, sixty-one".