29022226 has 4 divisors (see below), whose sum is σ = 43533342. Its totient is φ = 14511112.

The previous prime is 29022223. The next prime is 29022269. The reversal of 29022226 is 62222092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17631601 + 11390625 = 4199^2 + 3375^2 .

It is a super-3 number, since 3×29022226³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29022226.

It is not an unprimeable number, because it can be changed into a prime (29022221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7255555 + ... + 7255558.

Almost surely, 2^29022226 is an apocalyptic number.

29022226 is a deficient number, since it is larger than the sum of its proper divisors (14511116).

29022226 is a wasteful number, since it uses less digits than its factorization.

29022226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14511115.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 29022226 is about 5387.2280441800. The cubic root of 29022226 is about 307.3101513919.

The spelling of 29022226 in words is "twenty-nine million, twenty-two thousand, two hundred twenty-six".