29220455 has 8 divisors (see below), whose sum is σ = 38252304. Its totient is φ = 21251200.

The previous prime is 29220449. The next prime is 29220481. The reversal of 29220455 is 55402292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29220455 - 2⁴ = 29220439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265586 + ... + 265695.

It is an arithmetic number, because the mean of its divisors is an integer number (4781538).

Almost surely, 2^29220455 is an apocalyptic number.

29220455 is a deficient number, since it is larger than the sum of its proper divisors (9031849).

29220455 is a wasteful number, since it uses less digits than its factorization.

29220455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531297.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 29220455 is about 5405.5947868852. The cubic root of 29220455 is about 308.0082326185.

The spelling of 29220455 in words is "twenty-nine million, two hundred twenty thousand, four hundred fifty-five".