22274336442 has 16 divisors (see below), whose sum is σ = 45985727232. Its totient is φ = 7185269760.

The previous prime is 22274336423. The next prime is 22274336467. The reversal of 22274336442 is 24463347222.

It is a happy number.

It is a super-2 number, since 2×22274336442² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22274336442.

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, 59877063 + ... + 59877434.

It is an arithmetic number, because the mean of its divisors is an integer number (2874107952).

Almost surely, 2^22274336442 is an apocalyptic number.

22274336442 is an abundant number, since it is smaller than the sum of its proper divisors (23711390790).

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

22274336442 is a wasteful number, since it uses less digits than its factorization.

22274336442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119754533.

The product of its digits is 387072, while the sum is 39.

The spelling of 22274336442 in words is "twenty-two billion, two hundred seventy-four million, three hundred thirty-six thousand, four hundred forty-two".