22340401420144 has 10 divisors (see below), whose sum is σ = 43284527751560. Its totient is φ = 11170200710064.

The previous prime is 22340401420087. The next prime is 22340401420147. The reversal of 22340401420144 is 44102410404322.

It is a happy number.

It is a super-2 number, since 2×22340401420144² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340401420147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698137544364 + ... + 698137544395.

It is an arithmetic number, because the mean of its divisors is an integer number (4328452775156).

Almost surely, 2^{22340401420144} is an apocalyptic number.

It is an amenable number.

22340401420144 is a deficient number, since it is larger than the sum of its proper divisors (20944126331416).

22340401420144 is a wasteful number, since it uses less digits than its factorization.

22340401420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396275088767 (or 1396275088761 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 22340401420144 its reverse (44102410404322), we get a palindrome (66442811824466).

The spelling of 22340401420144 in words is "twenty-two trillion, three hundred forty billion, four hundred one million, four hundred twenty thousand, one hundred forty-four".