49772220 has 24 divisors (see below), whose sum is σ = 139362384. Its totient is φ = 13272576.

The previous prime is 49772197. The next prime is 49772221. The reversal of 49772220 is 2227794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49772221) 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, 414709 + ... + 414828.

It is an arithmetic number, because the mean of its divisors is an integer number (5806766).

Almost surely, 2^49772220 is an apocalyptic number.

It is an amenable number.

49772220 is an abundant number, since it is smaller than the sum of its proper divisors (89590164).

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

49772220 is a wasteful number, since it uses less digits than its factorization.

49772220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829549 (or 829547 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 49772220 is about 7054.9429480330. The cubic root of 49772220 is about 367.8428657274.

The spelling of 49772220 in words is "forty-nine million, seven hundred seventy-two thousand, two hundred twenty".