22217150247 has 16 divisors (see below), whose sum is σ = 31743290880. Its totient is φ = 13772216192.

The previous prime is 22217150231. The next prime is 22217150269. The reversal of 22217150247 is 74205171222.

It is a cyclic number.

It is not a de Polignac number, because 22217150247 - 2⁴ = 22217150231 is a prime.

It is a super-2 number, since 2×22217150247² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22217150047) 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, 2620047 + ... + 2628512.

It is an arithmetic number, because the mean of its divisors is an integer number (1983955680).

Almost surely, 2^22217150247 is an apocalyptic number.

22217150247 is a deficient number, since it is larger than the sum of its proper divisors (9526140633).

22217150247 is a wasteful number, since it uses less digits than its factorization.

22217150247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248662.

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 22217150247 in words is "twenty-two billion, two hundred seventeen million, one hundred fifty thousand, two hundred forty-seven".