22040122 has 8 divisors (see below), whose sum is σ = 35603316. Its totient is φ = 10172352.

The previous prime is 22040113. The next prime is 22040147. The reversal of 22040122 is 22104022.

It can be written as a sum of positive squares in 2 ways, for example, as 21631801 + 408321 = 4651^2 + 639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

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 3 ways as a sum of consecutive naturals, for example, 423823 + ... + 423874.

Almost surely, 2^22040122 is an apocalyptic number.

22040122 is a deficient number, since it is larger than the sum of its proper divisors (13563194).

22040122 is a wasteful number, since it uses less digits than its factorization.

22040122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847712.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22040122 is about 4694.6908311411. The cubic root of 22040122 is about 280.3741681382.

Adding to 22040122 its reverse (22104022), we get a palindrome (44144144).

The spelling of 22040122 in words is "twenty-two million, forty thousand, one hundred twenty-two".