22420400401 has 8 divisors (see below), whose sum is σ = 25641282240. Its totient is φ = 19204010448.

The previous prime is 22420400389. The next prime is 22420400417. The reversal of 22420400401 is 10400402422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22420400401 - 2⁵ = 22420400369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22420400701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112266 + ... + 1132243.

It is an arithmetic number, because the mean of its divisors is an integer number (3205160280).

Almost surely, 2^22420400401 is an apocalyptic number.

It is an amenable number.

22420400401 is a deficient number, since it is larger than the sum of its proper divisors (3220881839).

22420400401 is a wasteful number, since it uses less digits than its factorization.

22420400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245943.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22420400401 its reverse (10400402422), we get a palindrome (32820802823).

The spelling of 22420400401 in words is "twenty-two billion, four hundred twenty million, four hundred thousand, four hundred one".