22406780949 has 16 divisors (see below), whose sum is σ = 34159756800. Its totient is φ = 12797840880.

The previous prime is 22406780923. The next prime is 22406780969. The reversal of 22406780949 is 94908760422.

It is not a de Polignac number, because 22406780949 - 2⁷ = 22406780821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22406780969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205599 + ... + 295100.

It is an arithmetic number, because the mean of its divisors is an integer number (2134984800).

Almost surely, 2^22406780949 is an apocalyptic number.

It is an amenable number.

22406780949 is a deficient number, since it is larger than the sum of its proper divisors (11752975851).

22406780949 is a wasteful number, since it uses less digits than its factorization.

22406780949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502840.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 22406780949 in words is "twenty-two billion, four hundred six million, seven hundred eighty thousand, nine hundred forty-nine".