22211402 has 8 divisors (see below), whose sum is σ = 33444576. Its totient is φ = 11063212.

The previous prime is 22211389. The next prime is 22211417. The reversal of 22211402 is 20411222.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20588 + ... + 21639.

It is an arithmetic number, because the mean of its divisors is an integer number (4180572).

Almost surely, 2^22211402 is an apocalyptic number.

22211402 is a deficient number, since it is larger than the sum of its proper divisors (11233174).

22211402 is a wasteful number, since it uses less digits than its factorization.

22211402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42492.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22211402 is about 4712.8974102987. The cubic root of 22211402 is about 281.0985837149.

Adding to 22211402 its reverse (20411222), we get a palindrome (42622624).

The spelling of 22211402 in words is "twenty-two million, two hundred eleven thousand, four hundred two".