22211204405149 has 8 divisors (see below), whose sum is σ = 23517868685688. Its totient is φ = 20904553774080.

The previous prime is 22211204405141. The next prime is 22211204405171. The reversal of 22211204405149 is 94150440211222.

It can be written as a sum of positive squares in 4 ways, for example, as 17059584605625 + 5151619799524 = 4130325^2 + 2269718^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22211204405149 - 2³ = 22211204405141 is a prime.

It is a super-2 number, since 2×22211204405149² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211204405141) 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, 37539 + ... + 6665119.

It is an arithmetic number, because the mean of its divisors is an integer number (2939733585711).

Almost surely, 2^{22211204405149} is an apocalyptic number.

It is an amenable number.

22211204405149 is a deficient number, since it is larger than the sum of its proper divisors (1306664280539).

22211204405149 is a wasteful number, since it uses less digits than its factorization.

22211204405149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824735.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 22211204405149 in words is "twenty-two trillion, two hundred eleven billion, two hundred four million, four hundred five thousand, one hundred forty-nine".