22461320446 has 16 divisors (see below), whose sum is σ = 34183023840. Its totient is φ = 11067132160.

The previous prime is 22461320429. The next prime is 22461320471. The reversal of 22461320446 is 64402316422.

It is a congruent number.

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, 265170 + ... + 339466.

It is an arithmetic number, because the mean of its divisors is an integer number (2136438990).

Almost surely, 2^22461320446 is an apocalyptic number.

22461320446 is a deficient number, since it is larger than the sum of its proper divisors (11721703394).

22461320446 is a wasteful number, since it uses less digits than its factorization.

22461320446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76499.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 22461320446 its reverse (64402316422), we get a palindrome (86863636868).

The spelling of 22461320446 in words is "twenty-two billion, four hundred sixty-one million, three hundred twenty thousand, four hundred forty-six".