33722988 has 24 divisors (see below), whose sum is σ = 84740208. Its totient is φ = 10376256.

The previous prime is 33722987. The next prime is 33722989. The reversal of 33722988 is 88922733.

It is an interprime number because it is at equal distance from previous prime (33722987) and next prime (33722989).

It is a super-2 number, since 2×33722988² = 2274479839296288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33722987) 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, 107931 + ... + 108242.

It is an arithmetic number, because the mean of its divisors is an integer number (3530842).

Almost surely, 2^33722988 is an apocalyptic number.

It is an amenable number.

33722988 is an abundant number, since it is smaller than the sum of its proper divisors (51017220).

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

33722988 is a wasteful number, since it uses less digits than its factorization.

33722988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216193 (or 216191 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 33722988 is about 5807.1497311504. The cubic root of 33722988 is about 323.0789648048.

It can be divided in two parts, 3 and 3722988, that multiplied together give a square (11168964 = 3342²).

The spelling of 33722988 in words is "thirty-three million, seven hundred twenty-two thousand, nine hundred eighty-eight".