22420472667 has 4 divisors (see below), whose sum is σ = 29893963560. Its totient is φ = 14946981776.

The previous prime is 22420472653. The next prime is 22420472671. The reversal of 22420472667 is 76627402422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22420472667 - 2⁸ = 22420472411 is a prime.

It is a super-2 number, since 2×22420472667² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22420472467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736745442 + ... + 3736745447.

It is an arithmetic number, because the mean of its divisors is an integer number (7473490890).

Almost surely, 2^22420472667 is an apocalyptic number.

22420472667 is a deficient number, since it is larger than the sum of its proper divisors (7473490893).

22420472667 is an equidigital number, since it uses as much as digits as its factorization.

22420472667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473490892.

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 22420472667 in words is "twenty-two billion, four hundred twenty million, four hundred seventy-two thousand, six hundred sixty-seven".