22443400211432 has 32 divisors (see below), whose sum is σ = 42163493231880. Its totient is φ = 11199803397120.

The previous prime is 22443400211377. The next prime is 22443400211467. The reversal of 22443400211432 is 23411200434422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22204206833956 + 239193377476 = 4712134^2 + 489074^2 .

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, 171293498 + ... + 171424470.

Almost surely, 2^{22443400211432} is an apocalyptic number.

It is an amenable number.

22443400211432 is a deficient number, since it is larger than the sum of its proper divisors (19720093020448).

22443400211432 is a wasteful number, since it uses less digits than its factorization.

22443400211432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172613 (or 172609 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 22443400211432 its reverse (23411200434422), we get a palindrome (45854600645854).

The spelling of 22443400211432 in words is "twenty-two trillion, four hundred forty-three billion, four hundred million, two hundred eleven thousand, four hundred thirty-two".