22147451007 has 8 divisors (see below), whose sum is σ = 32214474240. Its totient is φ = 13422697560.

The previous prime is 22147450981. The next prime is 22147451041. The reversal of 22147451007 is 70015474122.

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

It is not a de Polignac number, because 22147451007 - 2¹² = 22147446911 is a prime.

It is a super-2 number, since 2×22147451007² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 671134879 = 22147451007 / (2 + 2 + 1 + 4 + 7 + 4 + 5 + 1 + 0 + 0 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147458007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335567407 + ... + 335567472.

It is an arithmetic number, because the mean of its divisors is an integer number (4026809280).

Almost surely, 2^22147451007 is an apocalyptic number.

22147451007 is a deficient number, since it is larger than the sum of its proper divisors (10067023233).

22147451007 is a wasteful number, since it uses less digits than its factorization.

22147451007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671134893.

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

The spelling of 22147451007 in words is "twenty-two billion, one hundred forty-seven million, four hundred fifty-one thousand, seven".