22311421442 has 16 divisors (see below), whose sum is σ = 33862231872. Its totient is φ = 11024783760.

The previous prime is 22311421381. The next prime is 22311421493. The reversal of 22311421442 is 24412411322.

It is a super-3 number, since 3×22311421442³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135284 + ... + 250847.

It is an arithmetic number, because the mean of its divisors is an integer number (2116389492).

Almost surely, 2^22311421442 is an apocalyptic number.

22311421442 is a deficient number, since it is larger than the sum of its proper divisors (11550810430).

22311421442 is a wasteful number, since it uses less digits than its factorization.

22311421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386473.

The product of its digits is 3072, while the sum is 26.

Adding to 22311421442 its reverse (24412411322), we get a palindrome (46723832764).

The spelling of 22311421442 in words is "twenty-two billion, three hundred eleven million, four hundred twenty-one thousand, four hundred forty-two".