22147030 has 16 divisors (see below), whose sum is σ = 40427424. Its totient is φ = 8733760.

The previous prime is 22147003. The next prime is 22147031. The reversal of 22147030 is 3074122.

It is a junction number, because it is equal to n+sod(n) for n = 22146989 and 22147007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147031) 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, 14887 + ... + 16306.

It is an arithmetic number, because the mean of its divisors is an integer number (2526714).

Almost surely, 2^22147030 is an apocalyptic number.

22147030 is a deficient number, since it is larger than the sum of its proper divisors (18280394).

22147030 is a wasteful number, since it uses less digits than its factorization.

22147030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31271.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 22147030 is about 4706.0631104991. The cubic root of 22147030 is about 280.8267655620.

The spelling of 22147030 in words is "twenty-two million, one hundred forty-seven thousand, thirty".