22012302 has 32 divisors (see below), whose sum is σ = 48521088. Its totient is φ = 6614496.

The previous prime is 22012301. The next prime is 22012303. The reversal of 22012302 is 20321022.

It is an interprime number because it is at equal distance from previous prime (22012301) and next prime (22012303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012301) 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, 73 + ... + 6635.

It is an arithmetic number, because the mean of its divisors is an integer number (1516284).

Almost surely, 2^22012302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24260544).

22012302 is an abundant number, since it is smaller than the sum of its proper divisors (26508786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012302 is a wasteful number, since it uses less digits than its factorization.

22012302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22012302 is about 4691.7269741535. The cubic root of 22012302 is about 280.2561516484.

Adding to 22012302 its reverse (20321022), we get a palindrome (42333324).

The spelling of 22012302 in words is "twenty-two million, twelve thousand, three hundred two".