22221001029 has 8 divisors (see below), whose sum is σ = 29628721152. Its totient is φ = 14813640800.

The previous prime is 22221001007. The next prime is 22221001039. The reversal of 22221001029 is 92010012222.

It is a happy number.

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 22221001029 - 2¹³ = 22220992837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221000996 and 22221001014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221001039) 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, 133129 + ... + 249329.

It is an arithmetic number, because the mean of its divisors is an integer number (3703590144).

Almost surely, 2^22221001029 is an apocalyptic number.

It is an amenable number.

22221001029 is a deficient number, since it is larger than the sum of its proper divisors (7407720123).

22221001029 is a wasteful number, since it uses less digits than its factorization.

22221001029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179947.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 22221001029 in words is "twenty-two billion, two hundred twenty-one million, one thousand, twenty-nine".