22077452 has 6 divisors (see below), whose sum is σ = 38635548.
Its totient is φ = 11038724.
The previous prime is 22077443. The next prime is 22077457. The reversal of 22077452 is 25477022.
It is not an unprimeable number, because it can be changed into a prime (22077457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759678 + ... + 2759685.
It is an arithmetic number, because the mean of its divisors is an integer number (6439258).
Almost surely, 222077452 is an apocalyptic number.
It is an amenable number.
22077452 is a deficient number, since it is larger than the sum of its proper divisors (16558096).
22077452 is a wasteful number, since it uses less digits than its factorization.
22077452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5519367 (or 5519365 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 29.
The square root of 22077452 is about 4698.6649167609.
The cubic root of 22077452 is about 280.5323715000.
The spelling of 22077452 in words is "twenty-two million, seventy-seven thousand, four hundred fifty-two".