22404222421246 has 4 divisors (see below), whose sum is σ = 33606333631872. Its totient is φ = 11202111210622.

The previous prime is 22404222421201. The next prime is 22404222421247. The reversal of 22404222421246 is 64212422240422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404222421247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601055605310 + ... + 5601055605313.

It is an arithmetic number, because the mean of its divisors is an integer number (8401583407968).

Almost surely, 2^{22404222421246} is an apocalyptic number.

22404222421246 is a deficient number, since it is larger than the sum of its proper divisors (11202111210626).

22404222421246 is a wasteful number, since it uses less digits than its factorization.

22404222421246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11202111210625.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 22404222421246 its reverse (64212422240422), we get a palindrome (86616644661668).

The spelling of 22404222421246 in words is "twenty-two trillion, four hundred four billion, two hundred twenty-two million, four hundred twenty-one thousand, two hundred forty-six".