22061404 has 12 divisors (see below), whose sum is σ = 39151728. Its totient is φ = 10875200.

The previous prime is 22061401. The next prime is 22061411. The reversal of 22061404 is 40416022.

It is a pancake number, because a pancake can be divided into 22061404 parts by 6642 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38557 + ... + 39124.

It is an arithmetic number, because the mean of its divisors is an integer number (3262644).

Almost surely, 2^22061404 is an apocalyptic number.

It is an amenable number.

22061404 is a deficient number, since it is larger than the sum of its proper divisors (17090324).

22061404 is a wasteful number, since it uses less digits than its factorization.

22061404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77756 (or 77754 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22061404 is about 4696.9568871771. The cubic root of 22061404 is about 280.4643824531.

Adding to 22061404 its reverse (40416022), we get a palindrome (62477426).

The spelling of 22061404 in words is "twenty-two million, sixty-one thousand, four hundred four".