22071054 has 16 divisors (see below), whose sum is σ = 44408448. Its totient is φ = 7312632.

The previous prime is 22071043. The next prime is 22071067. The reversal of 22071054 is 45017022.

It is a self number, because there is not a number n which added to its sum of digits gives 22071054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10012 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (2775528).

Almost surely, 2^22071054 is an apocalyptic number.

22071054 is an abundant number, since it is smaller than the sum of its proper divisors (22337394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22071054 is a wasteful number, since it uses less digits than its factorization.

22071054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22071054 is about 4697.9840357328. The cubic root of 22071054 is about 280.5052696479.

Adding to 22071054 its reverse (45017022), we get a palindrome (67088076).

The spelling of 22071054 in words is "twenty-two million, seventy-one thousand, fifty-four".