44222292 has 18 divisors (see below), whose sum is σ = 111784218. Its totient is φ = 14740752.

The previous prime is 44222273. The next prime is 44222293. The reversal of 44222292 is 29222244.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24561936 + 19660356 = 4956^2 + 4434^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×44222292² = 3911222219466528, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44222293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614163 + ... + 614234.

Almost surely, 2^44222292 is an apocalyptic number.

It is an amenable number.

44222292 is an abundant number, since it is smaller than the sum of its proper divisors (67561926).

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

44222292 is a wasteful number, since it uses less digits than its factorization.

44222292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228407 (or 1228402 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 44222292 is about 6649.9843608839. The cubic root of 44222292 is about 353.6283564990.

The spelling of 44222292 in words is "forty-four million, two hundred twenty-two thousand, two hundred ninety-two".