22070030 has 16 divisors (see below), whose sum is σ = 40079664. Its totient is φ = 8749440.

The previous prime is 22069997. The next prime is 22070033. The reversal of 22070030 is 3007022.

It is a junction number, because it is equal to n+sod(n) for n = 22069987 and 22070014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22070033) 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, 8636 + ... + 10895.

It is an arithmetic number, because the mean of its divisors is an integer number (2504979).

Almost surely, 2^22070030 is an apocalyptic number.

22070030 is a deficient number, since it is larger than the sum of its proper divisors (18009634).

22070030 is a wasteful number, since it uses less digits than its factorization.

22070030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19651.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 22070030 is about 4697.8750515526. The cubic root of 22070030 is about 280.5009315098.

Adding to 22070030 its reverse (3007022), we get a palindrome (25077052).

The spelling of 22070030 in words is "twenty-two million, seventy thousand, thirty".